Publications of Horst Fichtner ordered by citations

A list of publications authored or co-authored by Horst Fichtner, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0002-9151-5127

493	Global Observations of the Interstellar Interaction from the Interstellar Boundary Explorer (IBEX) McComas, D. J., Allegrini, F., Bochsler, P., Bzowski, M., Christian, E. R., Crew, G. B., DeMajistre, R., Fahr, H., Fichtner, H., Frisch, P. C., Funsten, H. O., Fuselier, S. A., Gloeckler, G., Gruntman, M., Heerikhuisen, J., Izmodenov, V., Janzen, P., Knappenberger, P., Krimigis, S., Kucharek, H., Lee, M., Livadiotis, G., Livi, S., MacDowall, R. J., Mitchell, D., Möbius, E., Moore, T., Pogorelov, N. V., Reisenfeld, D., Roelof, E., Saul, L., Schwadron, N. A., Valek, P. W., Vanderspek, R., Wurz, P. & Zank, G. P., 2009, Science, 326, 959
362	IBEX—Interstellar Boundary Explorer McComas, D. J., Allegrini, F., Bochsler, P., Bzowski, M., Collier, M., Fahr, H., Fichtner, H., Frisch, P., Funsten, H. O., Fuselier, S. A., Gloeckler, G., Gruntman, M., Izmodenov, V., Knappenberger, P., Lee, M., Livi, S., Mitchell, D., Möbius, E., Moore, T., Pope, S., Reisenfeld, D., Roelof, E., Scherrer, J., Schwadron, N., Tyler, R., Wieser, M., Witte, M., Wurz, P. & Zank, G., 2009, Space Science Reviews, 146, 11
240	Comparison of Interstellar Boundary Explorer Observations with 3D Global Heliospheric Models Schwadron, N. A., Bzowski, M., Crew, G. B., Gruntman, M., Fahr, H., Fichtner, H., Frisch, P. C., Funsten, H. O., Fuselier, S., Heerikhuisen, J., Izmodenov, V., Kucharek, H., Lee, M., Livadiotis, G., McComas, D. J., Moebius, E., Moore, T., Mukherjee, J., Pogorelov, N. V., Prested, C., Reisenfeld, D., Roelof, E. & Zank, G. P., 2009, Science, 326, 966
107	On the interpretation and applicability of κ-distributions Lazar, M., Fichtner, H. & Yoon, P. H., 2016, A&A, 589, A39
98	Destabilizing effects of the suprathermal populations in the solar wind Lazar, M., Poedts, S. & Fichtner, H., 2015, A&A, 582, A124
95	Modulation of Jovian and galactic electrons in the heliosphere: 1. Latitudinal transport of a few MeV electrons Ferreira, S. E. S., Potgieter, M. S., Burger, R. A., Heber, B. & Fichtner, H., 2001, Journal of Geophysical Research, 106, 24979
82	Regularized κ-distributions with non-diverging moments Scherer, K., Fichtner, H. & Lazar, M., 2017, EPL (Europhysics Letters), 120, 50002
79	Heliosheath Processes and the Structure of the Heliopause: Modeling Energetic Particles, Cosmic Rays, and Magnetic Fields Pogorelov, N. V., Fichtner, H., Czechowski, A., Lazarian, A., Lembege, B., le Roux, J. A., Potgieter, M. S., Scherer, K., Stone, E. C., Strauss, R. D., Wiengarten, T., Wurz, P., Zank, G. P. & Zhang, M., 2017, Space Science Reviews, 212, 193
77	The Interstellar Boundary Explorer (IBEX) McComas, David, Allegrini, Frederic, Bochsler, Peter, Bzowski, Maciej, Collier, Michael, Fahr, Hans, Fichtner, Horst, Frisch, Priscilla, Funsten, Herb, Fuselier, Steve, Gloeckler, George, Gruntman, Mike, Izmodenov, Vlad, Knappenberger, Paul, Lee, Marty, Livi, Stefano, Mitchell, Don, Möbius, Eberhard, Moore, Tom, Reisenfeld, Dan, Roelof, Ed, Schwadron, Nathan, Wieser, Martin, Witte, Manfred, Wurz, Peter & Zank, Gary, 2004, Physics of the Outer Heliosphere (Editors: Florinski, Vladimir, Pogorelov, Nikolai V. & Zank, Gary P.), American Institute of Physics Conference Series, 719, p. 162
76	Interstellar-Terrestrial Relations: Variable Cosmic Environments, The Dynamic Heliosphere, and Their Imprints on Terrestrial Archives and Climate Scherer, K., Fichtner, H., Borrmann, T., Beer, J., Desorgher, L., Flükiger, E., Fahr, H.-J., Ferreira, S. E. S., Langner, U. W., Potgieter, M. S., Heber, B., Masarik, J., Shaviv, N. & Veizer, J., 2006, Space Science Reviews, 127, 327
76	Modulation of Galactic Cosmic Ray Protons and Electrons During an Unusual Solar Minimum Heber, B., Kopp, A., Gieseler, J., Müller-Mellin, R., Fichtner, H., Scherer, K., Potgieter, M. S. & Ferreira, S. E. S., 2009, ApJ, 699, 1956
72	Dual Maxwellian-Kappa modeling of the solar wind electrons: new clues on the temperature of Kappa populations Lazar, M., Pierrard, V., Shaaban, S. M., Fichtner, H. & Poedts, S., 2017, A&A, 602, A44
71	Anomalous Cosmic Rays: Messengers from the Outer Heliosphere Fichtner, Horst, 2001, Space Science Reviews, 95, 639
66	A Generalized Two-component Model of Solar Wind Turbulence and ab initio Diffusion Mean-Free Paths and Drift Lengthscales of Cosmic Rays Wiengarten, T., Oughton, S., Engelbrecht, N. E., Fichtner, H., Kleimann, J. & Scherer, K., 2016, ApJ, 833, 17
64	On Cosmic Ray Modulation beyond the Heliopause: Where is the Modulation Boundary? Scherer, K., Fichtner, H., Strauss, R. D., Ferreira, S. E. S., Potgieter, M. S. & Fahr, H.-J., 2011, ApJ, 735, 128
60	Cosmic Ray Modulation Beyond the Heliopause: A Hybrid Modeling Approach Strauss, R. D., Potgieter, M. S., Ferreira, S. E. S., Fichtner, H. & Scherer, K., 2013, ApJ, 765, L18
60	On Aspects Pertaining to the Perpendicular Diffusion of Solar Energetic Particles Strauss, R. D. & Fichtner, H., 2015, ApJ, 801, 29
57	Anisotropic diffusion of Galactic cosmic ray protons and their steady-state azimuthal distribution Effenberger, F., Fichtner, H., Scherer, K. & Büsching, I., 2012, A&A, 547, A120
56	Modulation of Jovian and galactic electrons in the heliosphere: 2. Radial transport of a few MeV electrons Ferreira, S. E. S., Potgieter, M. S., Burger, R. A., Heber, B., Fichtner, H. & Lopate, C., 2001, Journal of Geophysical Research, 106, 29313
55	On the transport of pick-up ions in the heliosphere. Fichtner, H., Le Roux, J. A., Mall, U. & Rucinski, D., 1996, A&A, 314, 650
49	On the importance of the local interstellar spectrum for the solar modulation parameter Herbst, K., Kopp, A., Heber, B., Steinhilber, F., Fichtner, H., Scherer, K. & Matthiä, D., 2010, Journal of Geophysical Research (Atmospheres), 115, D00I20
47	A self-consistent determination of the heliospheric termination shock structure in the presence of pickup, anomalous, and galactic cosmic ray protons le Roux, J. A. & Fichtner, H., 1997, Journal of Geophysical Research, 102, 17365
44	Global merged interaction regions, the heliospheric termination shock, and time-dependent cosmic ray modulation le Roux, Jakobus A. & Fichtner, Horst, 1999, Journal of Geophysical Research, 104, 4709
43	CRPropa 3.1—a low energy extension based on stochastic differential equations Merten, Lukas, Becker Tjus, Julia, Fichtner, Horst, Eichmann, Björn & Sigl, Günter, 2017, Journal of Cosmology and Astroparticle Physics, 2017, 046
42	Parameter estimation of superdiffusive motion of energetic particles upstream of heliospheric shocks Perri, Silvia, Zimbardo, Gaetano, Effenberger, Frederic & Fichtner, Horst, 2015, A&A, 578, A2
42	Effects of Different Solar Wind Speed Profiles in the Heliosheath on the Modulation of Cosmic-Ray Protons Langner, U. W., Potgieter, M. S., Fichtner, H. & Borrmann, T., 2006, ApJ, 640, 1119
42	On the dynamics of the heliosphere on intermediate and long time-scales Borrmann, Thorsten & Fichtner, Horst, 2005, Advances in Space Research, 35, 2091
41	Shielded by the wind: the influence of the interstellar medium on the environment of Earth Scherer, K., Fichtner, H. & Stawicki, O., 2002, Journal of Atmospheric and Solar-Terrestrial Physics, 64, 795
40	Firehose instabilities triggered by the solar wind suprathermal electrons Shaaban, S. M., Lazar, M., López, R. A., Fichtner, H. & Poedts, S., 2019, MNRAS, 483, 5642
39	Turbulence in the Outer Heliosphere Fraternale, Federico, Adhikari, Laxman, Fichtner, Horst, Kim, Tae K., Kleimann, Jens, Oughton, Sean, Pogorelov, Nikolai V., Roytershteyn, Vadim, Smith, Charles W., Usmanov, Arcadi V., Zank, Gary P. & Zhao, Lingling, 2022, Space Science Reviews, 218, 50
39	Anomalous Cosmic Rays and Heliospheric Energetic Particles Giacalone, J., Fahr, H., Fichtner, H., Florinski, V., Heber, B., Hill, M. E., Kóta, J., Leske, R. A., Potgieter, M. S. & Rankin, J. S., 2022, Space Science Reviews, 218, 22
37	A Generalized Diffusion Tensor for Fully Anisotropic Diffusion of Energetic Particles in the Heliospheric Magnetic Field Effenberger, F., Fichtner, H., Scherer, K., Barra, S., Kleimann, J. & Strauss, R. D., 2012, ApJ, 750, 108
37	Implementing Turbulence Transport in the CRONOS Framework and Application to the Propagation of CMEs Wiengarten, T., Fichtner, H., Kleimann, J. & Kissmann, R., 2015, ApJ, 805, 155
36	Solar and Heliospheric Modulation of Galactic Cosmic Rays Heber, B., Fichtner, H. & Scherer, K., 2006, Space Science Reviews, 125, 81
35	A simple analytical expression for the power spectrum of cascading Alfvén waves in the solar wind Vainio, R., Laitinen, T. & Fichtner, H., 2003, A&A, 407, 713
35	Moments of the Anisotropic Regularized κ-distributions Scherer, Klaus, Lazar, Marian, Husidic, Edin & Fichtner, Horst, 2019, ApJ, 880, 118
34	On the Diversity of M-star Astrospheres and the Role of Galactic Cosmic Rays Within Herbst, Konstantin, Scherer, Klaus, Ferreira, Stefan E. S., Baalmann, Lennart R., Engelbrecht, N. Eugene, Fichtner, Horst, Kleimann, Jens, Strauss, R. Du Toit, Moeketsi, Daniel M. & Mohamed, Shazrene, 2020, ApJ, 897, L27
34	On the Applicability of κ-distributions Scherer, K., Fichtner, H., Fahr, H. J. & Lazar, M., 2019, ApJ, 881, 93
34	Theoretical aspects of energetic neutral atoms as messengers from distant plasma sites with emphasis on the heliosphere Fahr, Hans-Jörg, Fichtner, Horst & Scherer, Klaus, 2007, Reviews of Geophysics, 45, RG4003
33	MHD-shock structures of astrospheres: λ Cephei -like astrospheres Scherer, K., Baalmann, L. R., Fichtner, H., Kleimann, J., Bomans, D. J., Weis, K., Ferreira, S. E. S. & Herbst, K., 2020, MNRAS, 493, 4172
33	Are Anomalous Cosmic Rays the Main Contribution to the Low-Energy Galactic Cosmic Ray Spectrum? Scherer, K., Fichtner, H., Ferreira, S. E. S., Büsching, I. & Potgieter, M. S., 2008, ApJ, 680, L105
32	The Cosmic-Ray Diffusion Tensor in Nonaxisymmetric Turbulence Weinhorst, B., Shalchi, A. & Fichtner, H., 2008, ApJ, 677, 671
32	Recent Developments in Particle Acceleration at Shocks: Theory and Observations Perri, Silvia, Bykov, Andrei, Fahr, Hans, Fichtner, Horst & Giacalone, Joe, 2022, Space Science Reviews, 218, 26
32	Cosmic Ray Transport in Heliospheric Magnetic Structures. I. Modeling Background Solar Wind Using the CRONOS Magnetohydrodynamic Code Wiengarten, T., Kleimann, J., Fichtner, H., Kühl, P., Kopp, A., Heber, B. & Kissmann, R., 2014, ApJ, 788, 80
32	The Influence of the Anomalous Cosmic-Ray Component on the Dynamics of the Solar Wind Fahr, Hans-Joerg, Fichtner, Horst & Grzedzielski, Stanislaw, 1992, Solar Physics, 137, 355
32	Cosmic rays in the heliosphere: progress in the modelling during the past 10 years Fichtner, Horst, 2005, Advances in Space Research, 35, 512
32	On the propagation of Jovian electrons in the heliosphere: Transport modelling in 4-D phase space Fichtner, Horst, Potgieter, Marius, Ferreira, Stefan & Burger, Adri, 2000, Geophysical Research Letters, 27, 1611
31	Calculation of the energetic neutral atom flux from a 3D time-dependent model heliosphere Sternal, O., Fichtner, H. & Scherer, K., 2008, A&A, 477, 365
31	Physical reasons and consequences of a three-dimensionally structured heliosphere Fahr, Hans-Joerg & Fichtner, Horst, 1991, Space Science Reviews, 58, 193
30	Ionization rates in the heliosheath and in astrosheaths. Spatial dependence and dynamical relevance Scherer, K., Fichtner, H., Fahr, H.-J., Bzowski, M. & Ferreira, S. E. S., 2014, A&A, 563, A69
30	The Return of the Bow Shock Scherer, K. & Fichtner, H., 2014, ApJ, 782, 25
30	Toward a realistic macroscopic parametrization of space plasmas with regularized κ-distributions Lazar, M., Scherer, K., Fichtner, H. & Pierrard, V., 2020, A&A, 634, A20
30	The Influence of Pickup, Anomalous, and Galactic Cosmic-Ray Protons on the Structure of the Heliospheric Shock: A Self-consistent Approach Le Roux, Jakobus A. & Fichtner, Horst, 1997, ApJ, 477, L115
28	Whistler instability stimulated by the suprathermal electrons present in space plasmas Lazar, M., López, R. A., Shaaban, S. M., Poedts, S. & Fichtner, H., 2019, Astrophysics and Space Science, 364, 171
28	Possible Evidence for a Fisk-type Heliospheric Magnetic Field. I. Analyzing Ulysses/KET Electron Observations Sternal, O., Engelbrecht, N. E., Burger, R. A., Ferreira, S. E. S., Fichtner, H., Heber, B., Kopp, A., Potgieter, M. S. & Scherer, K., 2011, ApJ, 741, 23
28	Cosmic ray modulation and a non-spherical heliospheric shock. Fichtner, H., Sreenivasan, S. R. & Fahr, H. J., 1996, A&A, 308, 248
27	Pick-up ion transport under conservation of particle invariants: how important are velocity diffusion and cooling processes? Fahr, H. J. & Fichtner, H., 2011, A&A, 533, A92
27	Superdiffusive transport in laboratory and astrophysical plasmas Zimbardo, G., Amato, E., Bovet, A., Effenberger, F., Fasoli, A., Fichtner, H., Furno, I., Gustafson, K., Ricci, P. & Perri, S., 2015, Journal of Plasma Physics, 81, 495810601
27	Temperature anisotropy instabilities stimulated by the interplay of the core and halo electrons in space plasmas Lazar, M., Shaaban, S. M., Fichtner, H. & Poedts, S., 2018, Physics of Plasmas, 25, 022902
26	Local turbulence simulations for the multiphase ISM Kissmann, R., Kleimann, J., Fichtner, H. & Grauer, R., 2008, MNRAS, 391, 1577
26	The heliospheric modulation of 3 10 MeV electrons: Modeling of changes in the solar wind speed in relation to perpendicular polar diffusion Moeketsi, D. M., Potgieter, M. S., Ferreira, S. E. S., Heber, B., Fichtner, H. & Henize, V. K., 2005, Advances in Space Research, 35, 597
26	An Exact Analytical Solution for the Interstellar Magnetic Field in the Vicinity of the Heliosphere Röken, Christian, Kleimann, Jens & Fichtner, Horst, 2015, ApJ, 805, 173
26	The interstellar boundary explorer (IBEX): Update at the end of phase B McComas, D. J., Allegrini, F., Bartolone, L., Bochsler, P., Bzowski, M., Collier, M., Fahr, H., Fichtner, H., Frisch, P., Funsten, H., Fuselier, Steve, Gloeckler, G., Gruntman, M., Izmodenov, V., Knappenberger, P., Lee, M., Livi, S., Mitchell, D., Möbius, E., Moore, T., Pope, S., Reisenfeld, D., Roelof, E., Runge, H., Scherrer, J., Schwadron, N., Tyler, R., Wieser, M., Witte, M., Wurz, P. & Zank, G., 2006, Physics of the Inner Heliosheath (Editors: Heerikhuisen, Jacob, Florinski, Vladimir, Zank, Gary P. & Pogorelov, Nikolai V.), American Institute of Physics Conference Series, 858, p. 241
26	A novel code for numerical 3-D MHD studies of CME expansion Kleimann, J., Kopp, A., Fichtner, H. & Grauer, R., 2009, Annales Geophysicae, 27, 989
25	Charge-sign dependent modulation in the heliosphere over a 22-year cycle Ferreira, S. E. S., Potgieter, M. S., Heber, B. & Fichtner, H., 2003, Annales Geophysicae, 21, 1359
25	Fractional Parker equation for the transport of cosmic rays: steady-state solutions Zimbardo, G., Perri, S., Effenberger, F. & Fichtner, H., 2017, A&A, 607, A7
25	Characteristics of solar wind suprathermal halo electrons Lazar, M., Pierrard, V., Poedts, S. & Fichtner, H., 2020, A&A, 642, A130
25	Modulation of anomalous protons: Effects of different solar wind speed profiles in the heliosheath Langner, U. W., Potgieter, M. S., Fichtner, H. & Borrmann, T., 2006, Journal of Geophysical Research (Space Physics), 111, A01106
24	Heliopause Explorer—a sailcraft mission to the outer boundaries of the solar system Leipold, M., Fichtner, H., Heber, B., Groepper, P., Lascar, S., Burger, F., Eiden, M., Niederstadt, T., Sickinger, C., Herbeck, L., Dachwald, B. & Seboldt, W., 2006, Acta Astronautica, 59, 785
24	A Pulsar, the Heliosphere, and Pioneer 10: Probable Mimicking of a Planet of PSR B1257+12 by Solar Rotation Scherer, Klaus, Fichtner, Horst, Anderson, John D. & Lau, Eunice L., 1997, Science, 278, 1919
24	Anomalous cosmic rays and the generation of energetic neutrals in the region beyond the termination shock Czechowski, A., Fichtner, H., Grzedzielski, S., Hilchenbach, M., Hsieh, K. C., Jokipii, J. R., Kausch, T., Kota, J. & Shaw, A., 2001, A&A, 368, 622
23	On the evolution of the κ distribution of protons in the inner heliosheath Fahr, Hans-Jörg, Sylla, Adama, Fichtner, Horst & Scherer, Klaus, 2016, Journal of Geophysical Research (Space Physics), 121, 8203
23	Entropy of plasmas described with regularized κ distributions Fichtner, H., Scherer, K., Lazar, M., Fahr, H. J. & Vörös, Z., 2018, Physical Review E, 98, 053205
23	Temperature anisotropy instabilities stimulated by the solar wind suprathermal populations Lazar, Marian, López, R. A., Shaaban, Shaaban Mohammed, Poedts, Stefaan, Yoon, Peter Haesung & Fichtner, Horst, 2022, Frontiers in Astronomy and Space Sciences, 8, 249
23	Solar Wind Effects on the Transport of 3-10 MeV Cosmic-Ray Electrons from Solar Minimum to Solar Maximum Ferreira, S. E. S., Potgieter, M. S., Moeketsi, D. M., Heber, B. & Fichtner, H., 2003, ApJ, 594, 552
23	Modified κ-distribution of Solar Wind Electrons and Steady-state Langmuir Turbulence Yoon, P. H., Lazar, M., Scherer, K., Fichtner, H. & Schlickeiser, R., 2018, ApJ, 868, 131
22	Cosmic-Ray Transport in Heliospheric Magnetic Structures. II. Modeling Particle Transport through Corotating Interaction Regions Kopp, Andreas, Wiengarten, Tobias, Fichtner, Horst, Effenberger, Frederic, Kühl, Patrick, Heber, Bernd, Raath, Jan-Louis & Potgieter, Marius S., 2017, ApJ, 837, 37
22	Cosmic-ray propagation around the Sun: investigating the influence of the solar magnetic field on the cosmic-ray Sun shadow Becker Tjus, J., Desiati, P., Döpper, N., Fichtner, H., Kleimann, J., Kroll, M. & Tenholt, F., 2020, A&A, 633, A83
22	On the effects of suprathermal populations in dusty plasmas: The case of dust-ion-acoustic waves Lazar, M., Kourakis, I., Poedts, S. & Fichtner, H., 2018, Planetary and Space Science, 156, 130
22	MHD simulation of the inner-heliospheric magnetic field Wiengarten, T., Kleimann, J., Fichtner, H., Cameron, R., Jiang, J., Kissmann, R. & Scherer, K., 2013, Journal of Geophysical Research (Space Physics), 118, 29
21	The κ-cookbook: a novel generalizing approach to unify κ-like distributions for plasma particle modelling Scherer, K., Husidic, E., Lazar, M. & Fichtner, H., 2020, MNRAS, 497, 1738
21	Cosmic ray flux at the Earth in a variable heliosphere Scherer, K., Fichtner, H., Heber, B., Ferreira, S. E. S. & Potgieter, M. S., 2008, Advances in Space Research, 41, 1171
21	Constraints on the heliospheric magnetic field variation during the Maunder Minimum from cosmic ray modulation modelling Scherer, K. & Fichtner, H., 2004, A&A, 413, L11
21	Simulating observable structures due to a perturbed interstellar medium in front of astrospheric bow shocks in 3D MHD Baalmann, L. R., Scherer, K., Kleimann, J., Fichtner, H., Bomans, D. J. & Weis, K., 2021, A&A, 650, A36
21	Linear dispersion theory of parallel electromagnetic modes for regularized Kappa-distributions Husidic, Edin, Lazar, Marian, Fichtner, Horst, Scherer, Klaus & Astfalk, Patrick, 2020, Physics of Plasmas, 27, 042110
20	Cosmic ray anisotropies near the heliopause Strauss, R. D. & Fichtner, H., 2014, A&A, 572, L3
20	Shock structures of astrospheres Scherer, K., Fichtner, H., Kleimann, J., Wiengarten, T., Bomans, D. J. & Weis, K., 2016, A&A, 586, A111
20	The Influence of Pick-up Ion-Induced Wave Pressures on the Dynamics of the Mass-Loaded Solar Wind Fahr, Hans-Joerg & Fichtner, Horst, 1995, Solar Physics, 158, 353
20	3-20 MeV Electrons in the Inner Three-dimensional Heliosphere at Solar Maximum: Ulysses COSPIN/KET Observations Heber, B., Ferrando, P., Raviart, A., Paizis, C., Posner, A., Wibberenz, G., Müller-Mellin, R., Kunow, H., Potgieter, M. S., Ferreira, S. E. S., Burger, R. A., Fichtner, H. & Schlickeiser, R., 2002, ApJ, 579, 888
19	Cosmic rays in astrospheres Scherer, K., van der Schyff, A., Bomans, D. J., Ferreira, S. E. S., Fichtner, H., Kleimann, J., Strauss, R. D., Weis, K., Wiengarten, T. & Wodzinski, T., 2015, A&A, 576, A97
19	Self-consistent injection and acceleration of pickup ions at the solar wind termination shock le Roux, J. A., Zank, G. P., Fichtner, H. & Ptuskin, V. S., 2000, Geophysical Research Letters, 27, 2873
18	Self-consistent acceleration of multiply reflected pickup ions at a quasi-perpendicular solar wind termination shock: a fluid approach le Roux, J. A., Fichtner, H. & Zank, G. P., 2000, Journal of Geophysical Research, 105, 12557
18	Production of anomalous cosmic rays from pick-up ions and their inward diffusion from the termination shock of the solar wind. Fichtner, Horst, Fahr, Hans-Joerg, Grzedzielski, Stanislaw, Rucinski, Daniel & Sreenivasan, S. Ranga, 1994, A&A, 284, 599
18	On the Generation of Compressible Mirror-mode Fluctuations in the Inner Heliosheath Fichtner, Horst, Kleimann, Jens, Yoon, Peter H., Scherer, Klaus, Oughton, Sean & Engelbrecht, N. Eugene, 2020, ApJ, 901, 76
18	Determination of the heliospheric shock and of the supersonic solar wind geometry by means of the interstellar wind parameters Fahr, H.-J., Fichtner, H. & Scherer, K., 1993, A&A, 277, 249
17	Measurements of the time-dependent cosmic-ray Sun shadow with seven years of IceCube data: Comparison with the Solar cycle and magnetic field models Aartsen, M. G., Abbasi, R., Ackermann, M., Adams, J., Aguilar, J. A., Ahlers, M., Ahrens, M., Alispach, C., Amin, N. M., Andeen, K., Anderson, T., Ansseau, I., Anton, G., Argüelles, C., Auffenberg, J., Axani, S., Bagherpour, H., Bai, X., Balagopal, A. V., Barbano, A., Barwick, S. W., Bastian, B., Basu, V., Baum, V., Baur, S., Bay, R., Beatty, J. J., Becker, K.-H., Becker Tjus, J., BenZvi, S., Berley, D., Bernardini, E., Besson, D. Z., Binder, G., Bindig, D., Blaufuss, E., Blot, S., Bohm, C., Böser, S., Botner, O., Böttcher, J., Bourbeau, E., Bourbeau, J., Bradascio, F., Braun, J., Bron, S., Brostean-Kaiser, J., Burgman, A., Buscher, J., Busse, R. S., Carver, T., Chen, C., Cheung, E., Chirkin, D., Choi, S., Clark, B. A., Clark, K., Classen, L., Coleman, A., Collin, G. H., Conrad, J. M., Coppin, P., Correa, P., Cowen, D. F., Cross, R., Dave, P., De Clercq, C., DeLaunay, J. J., Dembinski, H., Deoskar, K., De Ridder, S., Desai, A., Desiati, P., de Vries, K. D., de Wasseige, G., de With, M., DeYoung, T., Dharani, S., Diaz, A., Díaz-Vélez, J. C., Dujmovic, H., Dunkman, M., DuVernois, M. A., Dvorak, E., Ehrhardt, T., Eller, P., Engel, R., Evenson, P. A., Fahey, S., Fazely, A. R., Felde, J., Fichtner, H., Fienberg, A. T., Filimonov, K., Finley, C., Fox, D., Franckowiak, A., Friedman, E., Fritz, A., Gaisser, T. K., Gallagher, J., Ganster, E., Garrappa, S., Gerhardt, L., Ghadimi, A., Glauch, T., Glüsenkamp, T., Goldschmidt, A., Gonzalez, J. G., Goswami, S., Grant, D., Grégoire, T., Griffith, Z., Griswold, S., Günder, M., Gündüz, M., Haack, C., Hallgren, A., Halliday, R., Halve, L., Halzen, F., Hanson, K., Hardin, J., Haungs, A., Hauser, S., Hebecker, D., Heereman, D., Heix, P., Helbing, K., Hellauer, R., Henningsen, F., Hickford, S., Hignight, J., Hill, C., Hill, G. C., Hoffman, K. 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17	On the radial evolution of κ distributions of pickup protons in the supersonic solar wind Fahr, Hans-Jörg, Fichtner, Horst & Scherer, Klaus, 2014, Journal of Geophysical Research (Space Physics), 119, 7998
17	Pitch-angle scattering in magnetostatic turbulence. I. Test-particle simulations and the validity of analytical results Tautz, R. C., Dosch, A., Effenberger, F., Fichtner, H. & Kopp, A., 2013, A&A, 558, A147
15	Revised Landau damping rates of magnetohydrodynamic waves in hot magnetized equilibrium plasmas and its consequences for cosmic ray transport in the interplanetary medium Schlickeiser, R., Fichtner, H. & Kneller, M., 1997, Journal of Geophysical Research, 102, 4725
15	On the Geometry of the IBEX Ribbon Sylla, Adama & Fichtner, Horst, 2015, ApJ, 811, 150
15	A New Low-beta Regime for Unstable Proton Firehose Modes in Bi-kappa-distributed Plasmas Shaaban, S. M., Lazar, M., Wimmer-Schweingruber, R. F. & Fichtner, H., 2021, ApJ, 918, 37
14	Long-Term Modulation of Cosmic Rays in the Heliosphere and its Influence at Earth Scherer, K., Fahr, H.-J., Fichtner, H. & Heber, B., 2004, Solar Physics, 224, 305
14	Skymaps of observables of three-dimensional magnetohydrodynamic astrosphere models Baalmann, L. R., Scherer, K., Fichtner, H., Kleimann, J., Bomans, D. J. & Weis, K., 2020, A&A, 634, A67
14	The IBEX ribbon as a signature of the inhomogeneity of the local interstellar medium Fichtner, Horst, Scherer, Klaus, Effenberger, Frederic, Zönnchen, Jochen, Schwadron, Nathan & McComas, David J., 2014, A&A, 561, A74
13	Generalized Multi-polytropic Rankine-Hugoniot Relations and the Entropy Condition Scherer, Klaus, Fichtner, Horst, Jörg Fahr, Hans, Röken, Christian & Kleimann, Jens, 2016, ApJ, 833, 38
13	Origin of the Differential Fluxes of Low-energy Electrons in the Inner Heliosheath Fahr, H. J., Krimigis, S. M., Fichtner, H., Scherer, K., Sylla, A., Ferreira, S. E. S. & Potgieter, M. S., 2017, ApJ, 848, L3
13	Toward More Realistic Analytic Models of the Heliotail: Incorporating Magnetic Flattening via Distortion Flows Kleimann, Jens, Röken, Christian, Fichtner, Horst & Heerikhuisen, Jacob, 2016, ApJ, 816, 29
13	Three-dimensional MHD high-resolution computations with CWENO employing adaptive mesh refinement Kleimann, Jens, Kopp, Andreas, Fichtner, Horst, Grauer, Rainer & Germaschewski, Kai, 2004, Computer Physics Communications, 158, 47
13	Three-dimensional Models of a Galactic Wind Expansion with Ellipsoidal Geometry. I. The Hydrodynamical Test Case Fichtner, H., Neutsch, W., Fahr, H. J. & Schlickeiser, R., 1991, ApJ, 371, 98
13	On the Low-frequency Boundary of Sun-generated Magnetohydrodynamic Turbulence in the Slow Solar Wind Shergelashvili, Bidzina M. & Fichtner, Horst, 2012, ApJ, 752, 142
12	Towards synthetic magnetic turbulence with coherent structures Lübke, Jeremiah, Effenberger, Frederic, Wilbert, Mike, Fichtner, Horst & Grauer, Rainer, 2024, EPL (Europhysics Letters), 146, 43001
12	On the determination of energy spectra of MeV electrons by the Ulysses COSPIN/KET Heber, B., Kopp, A., Fichtner, H. & Ferreira, S. E. S., 2005, Advances in Space Research, 35, 605
12	On Landau damping in hot equilibrium plasmas. I. Longitudinal oscillations along an external magnetic field Fichtner, Horst & Schlickeiser, Reinhard, 1995, Physics of Plasmas, 2, 1063
12	Generalized anisotropic κ-cookbook: 2D fitting of Ulysses electron data Scherer, K., Husidic, E., Lazar, M. & Fichtner, H., 2021, MNRAS, 501, 606
12	Space Weather. The Physics Behind a Slogan Scherer, Klaus, Fichter, Horst & Herber, Bernd, 2004,
12	Time- and latitude-dependence of the compression ratio and the injection rate at the heliospheric termination shock Scherer, K., Ferreira, S. E. S., Potgieter, M. S. & Fichtner, H., 2006, Physics of the Inner Heliosheath (Editors: Heerikhuisen, Jacob, Florinski, Vladimir, Zank, Gary P. & Pogorelov, Nikolai V.), American Institute of Physics Conference Series, 858, p. 20
12	First results of a new 3-D model of the time-dependent modulation of electrons in the heliosphere Kissmann, R., Fichtner, H., Heber, B., Ferreira, S. E. S. & Potgieter, M. S., 2003, Advances in Space Research, 32, 681
12	Relativistic regularized kappa distributions Han Thanh, Linh, Scherer, Klaus & Fichtner, Horst, 2022, Physics of Plasmas, 29, 022901
12	Analytical solutions of the space-time fractional Telegraph and advection-diffusion equations Tawfik, Ashraf M., Fichtner, Horst, Schlickeiser, Reinhard & Elhanbaly, A., 2018, Physica A Statistical Mechanics and its Applications, 491, 810
12	Space Weather: The Physics Behind a Slogan. Scherer, Klaus, Fichtner, Horst, Heber, Bernd & Mall, Urs, 2005,
11	Toward a self-consistent treatment of the cyclotron wave heating and acceleration of the solar wind plasma Laitinen, T., Fichtner, H. & Vainio, R., 2003, Journal of Geophysical Research (Space Physics), 108, 1081
11	Exact algebraic dispersion relations for wave propagation in hot magnetized plasmas Fichtner, Horst & Sreenivasan, S. Ranga, 1993, Journal of Plasma Physics, 49, 101
11	Revisiting Ulysses electron data with a triple fit of velocity distributions Scherer, K., Husidic, E., Lazar, M. & Fichtner, H., 2022, A&A, 663, A67
11	Towards a rigorous model for multifluid expansions of stellar coronae - Application to the solar wind Fichtner, H. & Fahr, H. J., 1991, A&A, 241, 187
11	A Three-dimensional Model for the Evolution of Magnetohydrodynamic Turbulence in the Outer Heliosphere Kleimann, Jens, Oughton, Sean, Fichtner, Horst & Scherer, Klaus, 2023, ApJ, 953, 133
11	Anomalous Transport of Cosmic Rays in a Nonlinear Diffusion Model Litvinenko, Yuri E., Fichtner, Horst & Walter, Dominik, 2017, ApJ, 841, 57
11	Transport coefficients enhanced by suprathermal particles in nonequilibrium heliospheric plasmas Husidic, E., Lazar, M., Fichtner, H., Scherer, K. & Poedts, S., 2021, A&A, 654, A99
10	The influence of CIRs on the energetic electron flux at 1 AU Kissmann, R., Fichtner, H. & Ferreira, S. E. S., 2004, A&A, 419, 357
10	The Influence of a Non-Spherical Solar Wind Termination Shock on the Pressure Distribution of the Anomalous Component of Cosmic Rays in the Heliosphere Fichtner, H., Fahr, H.-J. & Ranga Sreenivasan, S., 1993, 23rd International Cosmic Ray Conference (ICRC23), Volume 3 (Editors: Leahy, D. A., Hicks, R. B. & Venkatesan, D.), International Cosmic Ray Conference, 3, p. 423
10	Latitudinal transport effects on the modulation of a few-MeV cosmic ray electrons from solar minimum to solar maximum Ferreira, S. E. S., Potgieter, M. S., Heber, B., Fichtner, H. & Wibberenz, G., 2004, Journal of Geophysical Research (Space Physics), 109, A02115
10	Longitudinal gradients of the distribution of anomalous cosmic rays in the outer heliosphere Fichtner, Horst, de Bruijn, Han & Sreenivasan, S. Ranga, 1996, Geophysical Research Letters, 23, 1705
9	Impact of Anisotropic Cosmic-Ray Transport on the Gamma-Ray Signatures in the Galactic Center Dörner, J., Becker Tjus, J., Blomenkamp, P. S., Fichtner, H., Franckowiak, A. & Zaninger, E. M., 2024, ApJ, 965, 180
9	The Influence of Interstellar Medium on Subsonic Stellar Motions Fahr, H. J., Fichtner, H. & Neutsch, W., 1989, Astrophysics and Space Science, 153, 327
9	An Analytical Study of Fractional Klein-Kramers Approximations for Describing Anomalous Diffusion of Energetic Particles Tawfik, Ashraf M., Fichtner, Horst, Elhanbaly, A. & Schlickeiser, Reinhard, 2019, Journal of Statistical Physics, 174, 830
9	The interstellar wind as a cause for longitudinal solar wind asymmetries Fahr, H. J., Fichtner, H. & Neutsch, W., 1990, Planetary and Space Science, 38, 383
9	An Improved Analytical Model of the Local Interstellar Magnetic Field: The Extension to Compressibility Kleimann, Jens, Röken, Christian & Fichtner, Horst, 2017, ApJ, 838, 75
9	General solution of a fractional Parker diffusion-convection equation describing the superdiffusive transport of energetic particles Tawfik, Ashraf M., Fichtner, Horst, Elhanbaly, A. & Schlickeiser, Reinhard, 2018, European Physical Journal Plus, 133, 209
9	Superdiffusion of energetic particles at shocks: A fractional diffusion and Lévy flight model of spatial transport Effenberger, Frederic, Aerdker, Sophie, Merten, Lukas & Fichtner, Horst, 2024, A&A, 686, A219
8	Cassini as a heliospheric probe - the potential of pick-up ion measurements during its cruise phase Mall, U., Fichtner, H., Kirsch, E., Hamilton, D. C. & Rucinski, D., 1998, Planetary and Space Science, 46, 1375
8	Modelling O-star astrospheres with different relative speeds between the ISM and the star: 2D and 3D MHD model comparison Baalmann, L. R., Scherer, K., Kleimann, J., Fichtner, H., Bomans, D. J. & Weis, K., 2022, A&A, 663, A10
8	The Interstellar Boundary Explorer (IBEX) Mission McComas, D., Allegrini, F., Bartolone, L., Bochsler, P., Bzowski, M., Collier, M., Fahr, H., Fichtner, H., Frisch, P., Funsten, H., Fuselier, S., Gloeckler, G., Gruntman, M., Izmodenov, V., Knappenberger, P., Lee, M., Livi, S., Mitchell, D., Möbius, E., Moore, T., Pope, S., Reisenfeld, D., Roelof, E., Runge, H., Scherrer, J., Schwadron, N., Tyler, R., Wieser, M., Witte, M., Wurz, P. & Zank, G., 2005, Solar Wind 11/SOHO 16, Connecting Sun and Heliosphere (Editors: Fleck, B., Zurbuchen, T. H. & Lacoste, H.), ESA Special Publication, 592, p. 689
8	Interstellar atom and pick-up ion fluxes along the ULYSSES flight-path. Mall, U., Fichtner, H. & Rucinski, D., 1996, A&A, 316, 511
8	Modelling cosmic-ray transport: magnetised versus unmagnetised motion in astrophysical magnetic turbulence Lübke, Jeremiah, Reichherzer, Patrick, Aerdker, Sophie, Effenberger, Frederic, Wilbert, Mike, Fichtner, Horst & Grauer, Rainer, 2025, Journal of Plasma Physics, 91, E147
8	Solar wind temperature anisotropy constraints from streaming instabilities Vafin, S., Lazar, M., Fichtner, H., Schlickeiser, R. & Drillisch, M., 2018, A&A, 613, A23
7	Plasma expansion from diverging magnetic field configurations: The plasma-magnetic field interaction Fichtner, H. & Fahr, H. J., 1989, Planetary and Space Science, 37, 987
7	Uncertainties in the heliosheath ion temperatures Scherer, Klaus, Jörg Fahr, Hans, Fichtner, Horst, Sylla, Adama, Richardson, John D. & Lazar, Marian, 2018, Annales Geophysicae, 36, 37
7	Signature of a three-dimensional heliosphere in the spectra of anomalous cosmic rays Fichtner, Horst & Sreenivasan, S. Ranga, 1999, Advances in Space Research, 23, 535
7	Effect of the solar wind on the nature of arbitrary amplitude ion-acoustic solitary waves in Venus' upper ionosphere Salem, S., Fayad, A. A., El-Shafeay, N. A., Sayed, F. S. H., Shihab, M., Fichtner, H., Lazar, M. & Moslem, W. M., 2022, MNRAS, 517, 2876
7	Toward a Realistic Evaluation of Transport Coefficients in Non-equilibrium Space Plasmas Husidic, Edin, Scherer, Klaus, Lazar, Marian, Fichtner, Horst & Poedts, Stefaan, 2022, ApJ, 927, 159
7	The Parker propagator for spherical solar modulation Stawicki, O., Fichtner, H. & Schlickeiser, R., 2000, A&A, 358, 347
7	Determination of the heliospheric axis orientation-An opportunity for the Cassini Mission to Saturn Mall, U., Fichtner, H., Hamilton, D. C. & Rucinski, D., 1996, Geophysical Research Letters, 23, 3263
7	The properties of 0.11 keV-344 MeV ion spectra in the inner heliosheath using regularized κ-distributions Scherer, K., Dialynas, K., Fichtner, H., Galli, A. & Roussos, E., 2022, A&A, 664, A132
7	Time-dependent 3D modulation of Jovian electrons. Comparison with Ulysses/KET observations Lange, D., Fichtner, H. & Kissmann, R., 2006, A&A, 449, 401
7	Electron holes in a regularized kappa background Haas, Fernando, Fichtner, Horst & Scherer, Klaus, 2023, Nonlinear Processes in Geophysics, 30, 277
7	Analytical solution of the space-time fractional hyperdiffusion equation Tawfik, Ashraf M., Fichtner, Horst, Elhanbaly, A. & Schlickeiser, Reinhard, 2018, Physica A Statistical Mechanics and its Applications, 510, 178
7	Superdiffusion of energetic particles at shocks: A Lévy flight model for acceleration Aerdker, Sophie, Merten, Lukas, Effenberger, Frederic, Fichtner, Horst & Becker Tjus, Julia, 2025, A&A, 693, A15
6	On the Asymmetry of the Distribution of the Anomalous Cosmic-Ray Component in the Heliosphere Fichtner, Horst, Sreenivasan, S. Ranga, Fahr, Hans-Joerg, Rucinski, Daniel & Grzedzielski, Stanislaw, 1994, ApJS, 90, 595
6	Comparison of different analytic heliospheric magnetic field configurations and their significance for the particle injection at the termination shock Scherer, K., Fichtner, H., Effenberger, F., Burger, R. A. & Wiengarten, T., 2010, A&A, 521, A1
6	Temperature anisotropy instabilities of solar wind electrons with regularized kappa-halos resolved with ALPS Schröder, D. L., Fichtner, H., Lazar, M., Verscharen, D. & Klein, K. G., 2025, Physics of Plasmas, 32, 032109
6	CHANG-ES: XXXIV. Magnetic field structure in edge-on galaxies: Characterising large-scale magnetic fields in galactic halos Stein, M., Kleimann, J., Adebahr, B., Dettmar, R.-J., Fichtner, H., English, J., Heesen, V., Kamphuis, P., Irwin, J., Mele, C., Bomans, D. J., Li, J., Skeggs, N. B., Wang, Q. D. & Yang, Y., 2025, A&A, 696, A112
6	A dispersion function for the regularized kappa distribution function Gaelzer, Rudi, Fichtner, Horst & Scherer, Klaus, 2024, Physics of Plasmas, 31, 072112
6	The simulation of step decreases in the cosmic ray intensity with a cosmic-ray-hydrodynamic model Le Roux, J. A. & Fichtner, H., 1999, Advances in Space Research, 23, 501
6	The acceleration time of anomalous cosmic rays: Observational constraints from Pioneer 10 data Scherer, K., Fichtner, H. & Fahr, H. J., 1998, Journal of Geophysical Research, 103, 2105
6	An Empirical Model of Energetic Neutral Atom Imaging of the Heliosphere and Its Implications for Future Heliospheric Missions at Great Heliocentric Distances Galli, A., Wurz, P., Fichtner, H., Futaana, Y. & Barabash, S., 2019, ApJ, 886, 70
6	On the propagation of electrostatic wave modes in the inhomogeneous ionospheric plasma of Venus Fayad, A. A., Elkamash, I. S., Fichtner, H., Lazar, M., El-Labany, S. K. & Moslem, W. M., 2021, Physics of Plasmas, 28, 082902
6	ACR modulation inside a non-spherical modulation boundary Sreenivasan, S. R. & Fichtner, H., 2001, The Outer Heliosphere: The Next Frontiers (Editors: Scherer, K., Fichtner, Horst, Fahr, Hans Jörg & Marsch, Eckart), p. 207
5	Simultaneous Analysis of Recurrent Jovian Electron Increases and Galactic Cosmic Ray Decreases Kühl, P., Dresing, N., Dunzlaff, P., Fichtner, H., Gieseler, J., Gómez-Herrero, R., Heber, B., Klassen, A., Kleimann, J., Kopp, A., Potgieter, M., Scherer, K. & Strauss, R. D., 2013, Central European Astrophysical Bulletin, 37, 643
5	A new class of discontinuous solar wind solutions Shergelashvili, Bidzina M., Melnik, Velentin N., Dididze, Grigol, Fichtner, Horst, Brenn, Günter, Poedts, Stefaan, Foysi, Holger, Khodachenko, Maxim L. & Zaqarashvili, Teimuraz V., 2020, MNRAS, 496, 1023
5	Kappa Distribution Function: From Empirical to Physical Concepts Lazar, Marian & Fichtner, Horst, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 107
5	Cosmic-ray-driven galactic wind. Fichtner, H., Fahr, H. J., Neutsch, W., Schlickeiser, R., Crusius-Wätzel, A. & Lesch, H., 1991, Nuovo Cimento B Serie, 106, 909
5	Clustering of passive impurities in magnetohydrodynamic turbulence Homann, H., Bec, J., Fichtner, H. & Grauer, R., 2009, Physics of Plasmas, 16, 082308
5	Transfer integrals for fully ionized gases Fichtner, Horst, Sreenivasn, S. Ranga & Vormbrock, Norbert, 1996, Journal of Plasma Physics, 55, 95
5	Numerical modeling of time dependent Diffusive Shock Acceleration Aerdker, S., Merten, L., Becker Tjus, J., Walter, D., Effenberger, F. & Fichtner, H., 2024, Journal of Cosmology and Astroparticle Physics, 2024, 068
5	Quiet time MEV electron increases at solar maximum: Ulysses cospin/ket observations Heber, B., Ferrando, P., Raviart, A., Paizis, C., Sarri, G., Posner, A., Wibberenz, G., Mfiller-Mellin, R., Kunow, H., Potgieter, M. S., Ferreira, S. E. S., Burger, R. A. & Fichtner, H., 2003, Advances in Space Research, 32, 663
5	Production of Energetic Particles at the Heliospheric Shock - Implications for the Global Structure of the Heliosphere. Fichtner, H., 1996, Reviews in Modern Astronomy, 9, 191
5	Comic ray flux anisotropies caused by astrospheres Scherer, K., Strauss, R. D., Ferreira, S. E. S. & Fichtner, H., 2016, Astroparticle Physics, 82, 93
4	A nonlinear model of diffusive particle acceleration at a planar shock Walter, Dominik, Effenberger, Frederic, Fichtner, Horst & Litvinenko, Yuri, 2022, Physics of Plasmas, 29, 072302
4	Cosmic-Ray Transport in Heliospheric Magnetic Structures. III. Implications of Solar Magnetograms for the Drifts of Cosmic Rays Kopp, Andreas, Raath, Jan Louis, Fichtner, Horst, Potgieter, Marius S., Ferreira, Stefan E. S. & Heber, Bernd, 2021, ApJ, 922, 124
4	The interaction of multiple stellar winds in stellar clusters: potential flow Scherer, K., Noack, A., Kleimann, J., Fichtner, H. & Weis, K., 2018, A&A, 616, A115
4	On the Off-Ecliptic Distributions of Anomalous Cosmic Rays and Their Relation to the Large-Scale Geometry of the Heliospheric Shock Fichtner, Horst, Fahr, Hans-Jörg & Sreenivasan, S. Ranga, 1995, Space Science Reviews, 72, 435
4	A perturbative approach to a nonlinear advection-diffusion equation of particle transport Walter, Dominik, Fichtner, Horst & Litvinenko, Yuri, 2020, Physics of Plasmas, 27, 082901
4	The Science with the Interstellar Heliopause Probe Fichtner, H., Heber, B. & Leipold, M., 2006, Astrophysics and Space Sciences Transactions, 2, 33
4	The Influence of the Local Interstellar Medium on the Solar Wind Dynamics in the Inner Heliosphere Fahr, Hans-Jorg, Fichtner, Horst & Scherer, Klaus, 1997, Space Science Reviews, 79, 659
4	Heliopause Explorer - a sailcraft mission to the outer boundaries of the solar system Leipold, M., Fichtner, H., Heber, B., Groepper, P., Lascar, S., Burger, F., Eiden, M., Niederstadt, T., Sickinger, C., Herbeck, L., Dachwald, B. & Seboldt, W., 2003, Low-Cost Planetary Missions (Editors: Harris, Robert A.), ESA Special Publication, 542, p. 367
4	A nonlinear energetic particle diffusion model with a variable source Litvinenko, Yuri E., Walter, Dominik & Fichtner, Horst, 2019, AIP Advances, 9, 055005
4	Cosmic ray transport near the heliopause Strauss, R. D., Fichtner, H., Potgieter, M. S., le Roux, J. A. & Luo, X., 2015, Journal of Physics Conference Series, Journal of Physics Conference Series, 642, p. 012026
4	Cosmogenic element production in meteorites the influence of long-term variation in heliospheric structure Scherer, K., Fichtner, H., Stawicki, O. & Fahr, H., 2001, International Cosmic Ray Conference, International Cosmic Ray Conference, 10, p. 4031
4	Propagation of nonlinear ion-acoustic fluctuations in the mantle of Venus Morsi, S. A., Fayad, A. A., Tolba, R. E., Fichtner, H., Lazar, M. & Moslem, W. M., 2024, A&A, 685, A17
4	On the Collisional Energy Transfer between the Constituents of the Coronal Plasma Fichtner, Horst, Vormbrock, Norbert & Ranga Sreenivasan, S., 1995, Solar Physics, 160, 105
4	Variable Terrestrial Particle Environments During the Galactic Orbit of the Sun Fahr, Hans J., Fichtner, Horst, Scherer, Klaus & Stawicki, Olaf, 2006, Solar Journey: The Significance of our Galactic Environment for the Heliosphere and Earth (Editors: Frisch, Priscilla C.), Astrophysics and Space Science Library, 338, p. 259
4	A criterion to discriminate between solar and cosmic ray forcing of the terrestrial climate Fichtner, H., Scherer, K. & Heber, B., 2006, Atmospheric Chemistry & Physics Discussions, 6, 10811
4	Magnetic clouds in the solar wind: a numerical assessment of analytical models Dalakishvili, G., Kleimann, J., Fichtner, H. & Poedts, S., 2011, A&A, 536, A100
3	A self-consistent, unified model of pickup ion and anomalous cosmic ray transport Le Roux, Jakobus A., Fichtner, Horst, Zank, Gary P. & Ptuskin, Vladimir S., 2000, Acceleration and Transport of Energetic Particles Observed in the Heliosphere (Editors: Mewaldt, Richard A., Jokipii, J. R., Lee, Martin A., Möbius, Eberhard & Zurbuchen, Thomas H.), American Institute of Physics Conference Series, 528, p. 341
3	The long-term azimuthal structure of the Galactic Cosmic Ray proton distribution due to anisotropic diffusion Effenberger, F., Fichtner, H., Büsching, I., Kopp, A. & Scherer, K., 2011, Memorie della Societa Astronomica Italiana, 82, 867
3	On the determination of the gamma-ray contribution in the 3-10 MeV KET electron channel along the Ulysses trajectory Heber, B., Ferrando, P., Raviart, A., Paizis, C., Mueller-Mellin, R., Kunow, H., Potgieter, M. S., Ferreira, S. E. S. & Fichtner, H., 2001, International Cosmic Ray Conference, International Cosmic Ray Conference, 6, p. 2255
3	Linear and nonlinear kinetic Alfvén waves at Venus Fayad, A. A., Moslem, W. M., Fichtner, H. & Lazar, M., 2023, A&A, 675, A192
3	Extreme-ultraviolet diagnostics of pick-up ions in regions close to the solar corona. I. Feasibility of new observations Fahr, Hans-Joerg, Fichtner, Horst & Scherer, Horst, 1998, A&A, 335, 724
3	The "step feature" of suprathermal ion distributions: a discriminator between acceleration processes? Fahr, H. J. & Fichtner, H., 2012, Annales Geophysicae, 30, 1315
3	Are there Kronian electrons in the inner heliosphere? Lange, D. & Fichtner, H., 2008, A&A, 482, 973
3	Characteristics of magnetised plasma flow around stationary and expanding magnetic clouds Dalakishvili, G., Poedts, S., Fichtner, H. & Romashets, E., 2009, A&A, 507, 611
2	Radial Density, Velocity and Temperature Profiles in a Multispecies Solar Wind Close to the Coronal Base: A Self-Consistent Four-Species Model Fichtner, H., Vormbrock, N. & Sreenivasan, S. R., 2000, Advances in Space Research, 25, 1935
2	The heliosphere: a brief overview Fichtner, Horst & Scherer, Klaus, 2000, The Outer Heliosphere: Beyond the Planets (Editors: Scherer, Klaus, Fichtner, Horst & Marsch, Eckart), p. 1
2	Anomalous cosmic rays Fichtner, Horst, 2000, The Outer Heliosphere: Beyond the Planets (Editors: Scherer, Klaus, Fichtner, Horst & Marsch, Eckart), p. 191
2	Solar wind effect on the multi-fluid plasma expansion in the Venusian upper ionosphere Salem, S., Moslem, W. M., Fichtner, H. & Lazar, M., 2024, A&A, 685, A152
2	Magnetohydrodynamic turbulence and the associated spatial diffusion tensor of cosmic rays in dynamical galactic halos Kleimann, J., Fichtner, H., Stein, M., Dettmar, R.-J., Bomans, D. J. & Oughton, S., 2025, A&A, 699, A92
2	Energetic particles beyond the heliospheric shock: Anomalous Cosmic Rays (ACRs), Pick-Up Ions (PUIs) and the associated energetic neutral atoms (ENAs) Fichtner, Horst, Czechowski, Andrzej, Fahr, Hans J. & Lay, Günter, 2000, Acceleration and Transport of Energetic Particles Observed in the Heliosphere (Editors: Mewaldt, Richard A., Jokipii, J. R., Lee, Martin A., Möbius, Eberhard & Zurbuchen, Thomas H.), American Institute of Physics Conference Series, 528, p. 345
2	Regularized Kappa Distributions: Linear Dispersion and Stability Theory Husidic, Edin, Lazar, Marian, Scherer, Klaus, Fichtner, Horst & Gaelzer, Rudi, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 279
2	Moredimensional Modeling of Cosmic Ray Driven Galactic Winds Vormbrock, N. & Fichtner, H., 1993, 23rd International Cosmic Ray Conference (ICRC23), Volume 2 (Editors: Leahy, D. A., Hicks, R. B. & Venkatesan, D.), International Cosmic Ray Conference, 2, p. 283
2	Kappa Distributions and Entropy Fichtner, Horst, Scherer, Klaus, Lazar, Marian, Fahr, Hans-Jörg & Vörös, Zoltan, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 299
2	The heliosphere, cosmic rays, climate Scherer, K., Fichtner, H. & Stawicki, O., 2001, The Outer Heliosphere: The Next Frontiers (Editors: Scherer, K., Fichtner, Horst, Fahr, Hans Jörg & Marsch, Eckart), p. 493
2	Coronal Holes and Icosahedral Symmetry - Part One Neutsch, Wolfram & Fichtner, Horst, 1988, Solar Physics, 115, 161
2	Implications from 3D modeling of gamma-ray signatures in the Galactic Center Region Becker Tjus, J., Blomenkamp, P.-S., Dörner, J., Fichtner, H., Franckowiak, A., Hoerbe, M. R. & Zaninger, E. M., 2022, arXiv:2207.08097
2	All-Sky ENA Flux Maps for IBEX from 3D Modeling Sternal, Oliver, Scherer, Klaus, Fichtner, Horst & Fahr, Hans, 2005, Solar Wind 11/SOHO 16, Connecting Sun and Heliosphere (Editors: Fleck, B., Zurbuchen, T. H. & Lacoste, H.), ESA Special Publication, 592, p. 383
2	Heat-flux Instabilities of Regularized Kappa Distributed Strahl Electrons Resolved with ALPS Schröder, Dustin L., Lazar, Marian, López, Rodrigo A. & Fichtner, Horst, 2025, ApJ, 987, 110
2	Extended Scenarios for Solar Radio Emissions With Downshifted Electron Beam Plasma Excitations Lazar, M., López, R. A., Shaaban, S. M., Poedts, S. & Fichtner, H., 2025, Journal of Geophysical Research (Space Physics), 130, e2024JA033597
2	A study of the compatibility between observations and model simulations for Jovian and galactic electrons Ferreira, S. E. S., Potgieter, M. S., Heber, B., Fichtner, H., Burger, R. A. & Ferrando, P., 2001, Advances in Space Research, 27, 553
1	Electrostatic Waves in Astrophysical Druyvesteyn Plasmas. I. Langmuir Waves Tischmann, Simon, Gaelzer, Rudi, Schröder, Dustin Lee, Lazar, Marian & Fichtner, Horst, 2026, ApJ, 997, 212
1	Implications of turbulence dependent diffusion on cosmic ray spectra Dörner, J., Reichherzer, P., Merten, L., Becker Tjus, J., Fichtner, H., Pueschel, M. J. & Zweibel, E. G., 2022, European Physical Society Conference on High Energy Physics, p. 90
1	On the theory of an Omegatron with asymmetric three-dimensional electric fields: Ion trajectories and resonance peak shapes Amerl, P. V., Krouse, H. R. & Fichtner, H., 2001, Review of Scientific Instruments, 72, 2036
1	Coronal holes and icosahedral symmetry Kalisch, Herbert, Neutsch, Wolfram, Fichtner, Horst, Sreenivasan, S. Ranga & Shevalier, Maurice, 2003, Astrophysics and Space Science, 288, 547
1	Latitudinal transport of 7 MeV Jovian and galactic electrons in the inner heliosphere Ferreira, S. E. S., Potgieter, M. S., Heber, B., Fichtner, H. & Burger, R. A., 2001, International Cosmic Ray Conference, International Cosmic Ray Conference, 9, p. 3702
1	An exact, time-dependent analytical solution for the magnetic field in the inner heliosheath Röken, Christian, Kleimann, Jens & Fichtner, Horst, 2022, Journal of Physics A Mathematical General, 55, 495702
1	A stochastic approach to galactic propagation Buesching, Ingo, 2011, International Cosmic Ray Conference, International Cosmic Ray Conference, 6, p. 252
1	Kappa Distributions: Concluding Remarks and Perspectives Lazar, Marian & Fichtner, Horst, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 321
1	Models of quasi-discontinuous solar-wind streams. Steady-state and time-dependent numerical solutions Westrich, Lukas, Shergelashvili, Bidzina M. & Fichtner, Horst, 2024, A&A, 686, A113
1	On the Relation of the Three-Dimensional Distribution of Anomalous Cosmic Rays and the Structure of the Global Heliosphere Fichtner, H., deBruijn, H. & Sreenivasan, S. R., 1997, International Cosmic Ray Conference, International Cosmic Ray Conference, 2, p. 225
1	Energetic particles in the heliosphere (SH-3) Fichtner, Horst, 2005, 29th International Cosmic Ray Conference (ICRC29), Volume 10 (Editors: Acharya, B. Sripathi, Gupta, Sunil, Jagadeesan, P., Jain, Atul, Karthikeyan, S., Morris, Samuel & Tonwar, Suresh), International Cosmic Ray Conference, 10, p. 377
1	Diagnostics of the Solar Corona Using EUV Radiation Back-Scattered by Pick-Up Ions Close to the Sun Fahr, Hans J., Fichtner, Horst & Scherer, Horst, 2000, Advances in Space Research, 25, 1969
1	Out-of-ecliptic quiet time MeV electron increases: Ulysses COSPIN/KET observations Heber, B., Ferreira, S. E. S., Fichtner, H., Potgieter, M. S., Henize, V. K., Kissmann, R. & Moeketsi, D. M., 2004, Plasmas in the Laboratory and in the Universe: New Insights and New Challenges (Editors: Bertin, Giuseppe, Farina, Daniela & Pozzoli, Roberto), American Institute of Physics Conference Series, 703, p. 157
1	3D MHD Modeling of CME Expansions Kleimann, J., Kopp, A. & Fichtner, H., 2005, Solar Wind 11/SOHO 16, Connecting Sun and Heliosphere (Editors: Fleck, B., Zurbuchen, T. H. & Lacoste, H.), ESA Special Publication, 592, p. 735
1	The space-fractional diffusion-advection equation: Analytical solutions and critical assessment of numerical solutions Stern, Robin, Effenberger, Frederic, Fichtner, Horst & Schaefer, Tobias, 2013, arXiv:1309.4263
1	Cumulative Proton Right-handed Instabilities in the Young Solar Wind Observed by PSP Shaaban, Shaaban M., Lazar, M., Fichtner, H., López, R. A. & Poedts, S., 2025, ApJ, 993, 1
1	On the transport of pick-up ions in the heliosphere: A compendium of new analytical solutions Stawicki, Olaf, Lerche, Ian & Fichtner, Horst, 2002, Journal of Geophysical Research (Space Physics), 107, 1357
1	Current measurement in an electrospray system Drötboom, M., Fichtner, H. & Fissan, H., 1997, Journal of Aerosol Science, 28, S535
1	Spectrum of Galactic and Jovian Electrons Kuhl, P., Dresing, N., Dunzlaff, P., Effenberger, F., Fichtner, H., Gieseler, J., Gomez-Herrero, R., Heber, B., Klassen, A., Kleimann, J., Kopp, A., Potgieter, M., Strauss, R. D. & Wiengarten, T., 2013, International Cosmic Ray Conference, International Cosmic Ray Conference, 33, p. 3480
1	On the Formation of Globular Clusters Richtler, Tom & Fichtner, Horst, 1993, The Globular Cluster-Galaxy Connection (Editors: Smith, Graeme H. & Brodie, Jean P.), Astronomical Society of the Pacific Conference Series, 48, p. 725
1	Analytical study of fractional equations describing anomalous diffusion of energetic particles Tawfik, A. M., Fichtner, H., Schlickeiser, R. & Elhanbaly, A., 2017, Journal of Physics Conference Series, Journal of Physics Conference Series, 869, p. 012050
1	Cosmic rays as messengers from outside the inner heliosphere Lee, M. A. & Fichtner, H., 2001, The Outer Heliosphere: The Next Frontiers (Editors: Scherer, K., Fichtner, Horst, Fahr, Hans Jörg & Marsch, Eckart), p. 183
0	The generation of plasma waves in the acceleration region of the solar wind Fichtner, H. & Fahr, H.-J., 1992, Solar Wind Seven Colloquium (Editors: Marsch, E. & Schwenn, R.), p. 37
0	Three-dimensional structuring of the distant solar wind by anomalous cosmic ray particles Grzedzielski, S., Fahr, H.-J. & Fichtner, H., 1992, Solar Wind Seven Colloquium (Editors: Marsch, E. & Schwenn, R.), p. 173
0	On the Formation of Young Globular Clusters in the Magellanic Clouds Richtler, Tom & Fichtner, Horst, 1993, New Aspects of Magellanic Cloud Research (Editors: Baschek, B., Klare, G. & Lequeux, J.), p.370
0	Demodulation of the Interstellar Positron/Electron Ratio in Galactic Cosmic Rays Kneller, M., Schlickeiser, R. & Fichtner, H., 1995, International Cosmic Ray Conference, International Cosmic Ray Conference, 3, p. 37
0	Revised Landau Damping Rates of Ion-Cyclotron Waves and Electron-Cyclotron Waves in Hot Equilibrium Plasmas Schlickeiser, R., Fichtner, H. & Kneller, M., 1995, International Cosmic Ray Conference, International Cosmic Ray Conference, 4, p. 345
0	Heliospheric Cosmic Ray Distribution: A Tool for Probing the Solar Wind Termination Fichtner, H., Sreenivasan, S. R. & Fahr, H. J., 1995, International Cosmic Ray Conference, International Cosmic Ray Conference, 4, p. 714
0	On the Off-Ecliptic Distributions of Anomalous Cosmic Rays and Their Relation to the Large-Scale Geometry of the Heliospheric Shock Fichtner, H., Fahr, H. J. & Sreenivasan, S. R., 1995, The High Latitude Heliosphere (Editors: Marsden, R. G.), p. 435
0	Pick-up ion pressure gradients modulating the solar wind dynamics Fahr, Hans J. & Fichtner, Horst, 1995, Solar Wind Eight, p. 106
0	The Acceleration Time of ACR: Constraints from Pioneer 10 Data Scherer, K., Fichtner, H. & Fahr, H. J., 1997, International Cosmic Ray Conference, International Cosmic Ray Conference, 2, p. 265
0	Cosmic Ray Driven Dynamical Haloes: Galactic Winds or Galactic Breezes? Fichtner, H., 1997, International Cosmic Ray Conference, International Cosmic Ray Conference, 5, p. 397
0	Longitudinal Gradients in the Spectra of Anomalous CRs Fichtner, Horst, 1999, 26th International Cosmic Ray Conference (ICRC26), Volume 7 (Editors: Kieda, D., Salamon, M. & Dingus, B.), International Cosmic Ray Conference, 7, p. 597
0	Time-dependent 3-D modelling of the heliospheric propagation of few-MeV electrons Fichtner, H., Potgieter, M. S., Ferreira, S. E. S., Heber, B. & Burger, R. A., 2001, International Cosmic Ray Conference, International Cosmic Ray Conference, 9, p. 3666
0	Anomalous cosmic rays outside of the termination shock Czechowski, A., Grzedzielski, S., Fichtner, H., Hilchenbach, M. & Hsieh, K. C., 2001, The Outer Heliosphere: The Next Frontiers (Editors: Scherer, K., Fichtner, Horst, Fahr, Hans Jörg & Marsch, Eckart), p. 199
0	Self-consistent acceleration of pickup ions at the termination shock Le Roux, J. A., Fichtner, H., Zank, G. P. & Ptuskin, V. S., 2001, The Outer Heliosphere: The Next Frontiers (Editors: Scherer, K., Fichtner, Horst, Fahr, Hans Jörg & Marsch, Eckart), p. 215
0	On the dynamics of the solar corona: first results obtained with a new 3D MHD model Kleimann, J., Fichtner, H., Kopp, A., Germaschewski, K. & Grauer, R., 2002, Solar Variability: From Core to Outer Frontiers (Editors: Wilson, A.), ESA Special Publication, 1, p. 21
0	On the dynamics of the solar corona: the numerics behind a self-consistent 3D MHD model Kleimann, J., Fichtner, H., Kopp, A., Germaschewski, K. & Grauer, R., 2002, Solar Variability: From Core to Outer Frontiers (Editors: Wilson, A.), ESA Special Publication, 1, p. 51
0	On the acceleration and wave heating of the solar wind: implications of the mean free path of solar energetic particles Laitinen, T., Vainio, R. & Fichtner, H., 2003, Solar Wind Ten (Editors: Velli, Marco, Bruno, Roberto, Malara, Francesco & Bucci, B.), American Institute of Physics Conference Series, 679, p. 303
0	The Dynamic Heliosphere in the Galactic Circle Fahr, H.-J., Fichtner, H. & Scherer, K., 2003, Astronomische Nachrichten Supplement, 324, 83
0	Quiet Time MeV Electron Increases at Solar Maximum: Ulysses COSPIN/KET Observations Heber, B., Fichtner, H., Kissmann, R., Potgieter, M. S. & Ferreira, S. E. S., 2003, Astronomische Nachrichten Supplement, 324, 87
0	Cosmic Ray Flux Variations at 1 AU Caused by the Solar Cycle Induced Variations of the Global Heliosphere Scherer, K., Fichtner, H. & Heber, B., 2003, Astronomische Nachrichten Supplement, 324, 84
0	The Relevance of the 13-months Period in the 1 AU Electron Data for Diffusive Particle Transport Kissmann, R., Fichtner, H., Heber, B., Ferriera, S. E. S. & Potgieter, M. S., 2003, Astronomische Nachrichten Supplement, 324, 86
0	Coronal Holes and Icosahedral Symmetry Neutsch, Wolfram, Kalisch, Herbert, Fichtner, Horst, Sreenivasan, S. Ranga & Shevalier, Maurice, 2003, Astrophysics and Space Science, 288, 391
0	Energetic Particle Mean Free Path in the Wave Heated Solar Wind Vainio, R. O., Laitinen, T. & Fichtner, H., 2003, International Cosmic Ray Conference, International Cosmic Ray Conference, 6, p. 3539
0	Strongly variable cosmic ray particle environments at planets during the history of the solar system. Fahr, H., Fichtner, H. & Scherer, K., 2004, Astronomische Nachrichten Supplement, 325, 1.4
0	Jovian Electrons in the Three Dimensional Heliosphere Heber, B., Gómez-Herrero, R., Sternal, O., Klassen, A., Müller-Mellin, R., Kunow, H., Potgieter, M. S. & Fichtner, H., 2006, SOHO-17. 10 Years of SOHO and Beyond (Editors: Lacoste, H. & Ouwehand, L.), ESA Special Publication, 617, p. 154
0	The magnetic interaction between close-in extrasolar planets and their host stars Kopp, A., Scherer, K., Fichtner, H. & Heber, B., 2009, European Planetary Science Congress 2009, p. 436
0	Cosmic ray transport in the heliosphere and its connection to the interstellar proton spectrum Fichtner, H., Effenberger, F., Scherer, K., Büsching, I., Strauss, R. D., Ferreira, S. E. S., Potgieter, M. S., Fahr, H.-J. & Heber, B., 2011, Memorie della Societa Astronomica Italiana, 82, 852
0	Advances in Coordinated Sun-Earth System Science Through Interdisciplinary Initiatives and International Programs Fichtner, Horst & Liu, W. William, 2011, The Sun, the Solar Wind, and the Heliosphere (Editors: Miralles, Mari Paz & Sánchez Almeida, Jorge), p.341
0	Numerical modelling of the heliosphere Ferreira, S. E. S., Potgieter, M. S., Strauss, R. D., Scherer, K. & Fichtner, H., 2012, Astroparticle (Editors: Giani, Simone & et al.), p. 232
0	Galactic Cosmic Ray Modulation Beyond the Heliopause: When Will Voyager 1 Measure the LIS? Strauss, R. D., Potgieter, M. S., Ferreira, S. E. S., Fichtner, H. & Scherer, K., 2013, International Cosmic Ray Conference, International Cosmic Ray Conference, 33, p. 1490
0	Modulation of MeV Electrons by Corotating Interaction RegionsA Modelling Approach Vogt, A., Effenberger, F., Fichtner, H., Heber, B., Kleimann, J., Kopp, A., Potgieter, M. S., Sternal, O. & Wiengarten, T., 2013, International Cosmic Ray Conference, International Cosmic Ray Conference, 33, p. 3722
0	Modelling the Influence of Corotating Interaction Regions on Jovian MeV-electrons Vogt, A., Effenberger, F., Fichtner, H., Heber, B., Kleimann, J., Kopp, A., Potgieter, M. S., Sternal, O. & Wiengarten, T., 2015, Journal of Physics Conference Series, Journal of Physics Conference Series, 632, p. 012082
0	Testing the H-wave Hypothesis for the Origin of the IBEX Ribbon Fichtner, Horst, Sylla, Adama, Scherer, Klaus, Fahr, Hans-Jörg & Zönnchen, Jochen, 2016, Journal of Physics Conference Series, Journal of Physics Conference Series, 767, p. 012007
0	Comparison of astrospheres around cool and hot stars Scherer, K., Bomans, D. J., Ferreira, S. E. S., Fichtner, H., Kleimann, J., Strauss, R. D. & Weis, K., 2016, Journal of Physics Conference Series, Journal of Physics Conference Series, 767, p. 012024
0	What Does Our Heliosphere Look Like in Energetic Neutral Atoms? Some Recommendations for a Low-Energy ENA Camera Onboard the Interstellar Probe Galli, André, Wurz, Peter, Kleimann, Jens, Fichtner, Horst, Futaana, Yoshifumi & Barabash, Stas, 2019, essoar.10500565
0	Introduction and Motivation Fichtner, Horst & Lazar, Marian, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 3
0	On 'Isobaric and Isentropic' Distribution Functions of Plasma Particles in the Heliosheath Fahr, Hans-Jörg & Fichtner, Horst, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 145
0	From Standard Kappa to a Regularized Kappa, or Even More Generalized Kappa "Cookbook" Scherer, Klaus, Husidic, Edin, Fichtner, Horst & Lazar, Marian, 2021, Kappa Distributions; From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas (Editors: Lazar, Marian & Fichtner, Horst), Astrophysics and Space Science Library, 464, p. 307
0	Application of the regularized isotropic kappa distribution to combined solar wind proton and pick-up ion spectra Scherer, Klaus, Fichtner, Horst, Dialynas, Konstantinos & Galli, Andre, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1203
0	Application of generalized anisotropic kappa distributions Scherer, Klaus, Fichtner, Horst, Husidic, Edin & Lazar, Marian, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1230
0	Relativistic regularized kappa distributions Thanh, Linh Han, Scherer, Klaus & Fichtner, Horst, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1241
0	Analytical and numerical studies of nonlinear diffusive shock acceleration Walter, Dominik, Fichtner, Horst & Effenberger, Frederic, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1253
0	Anomalous Acceleration and Transport of Energetic Particles near Heliospheric and Astrophysical Shocks Effenberger, Frederic, Walter, Dominik & Fichtner, Horst, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1262
0	Turbulence in the distant solar wind and VLISM: current challenges and implications for large-scale modeling of the heliosphere Fraternale, Federico, Adhikari, Laxman, Fichtner, Horst, Kim, Tae, Kleimann, Jens, Oughton, Sean, Pogorelov, Nikolai, Roytershteyn, Vadim, Smith, Charles, Usmanov, Arcadi, Zank, Gary & Zhao, Lingling, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1306
0	On Compressible Turbulence in the Inner Heliosheath Fichtner, Horst, Kleimann, Jens, Yoon, Peter, Scherer, Klaus, Oughton, Sean & Engelbrecht, Nicholas Eugene, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1307
0	A numerical model of solar wind turbulence beyond the termination shock Kleimann, Jens, Oughton, Sean & Fichtner, Horst, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1308
0	Varying the ISM inflow speed ahead of MHD astrospheres in 2D and 3D Baalmann, Lennart Robin, Scherer, Klaus, Kleimann, Jens, Fichtner, Horst, Bomans, Dominik & Weis, Kerstin, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1312
0	On quasi-discontinuous solar wind flows Fichtner, Horst, Shergelashvili, Bidzina & Westrich, Lukas, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1334
0	Relaxation of electron beams/strahls in solar outflows: observations vs. modeling Lazar, Marian, López, Rodrigo A., Micera, Alfredo, Shaaban, Shaaban M., Poedts, Stefaan & Fichtner, Horst, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 1668
0	Implications of turbulence-dependent diffusion on Galactic cosmic ray spectra Dörner, Julien, Reichherzer, Patrick, Becker Tjus, Julia & Fichtner, Horst, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 2123
0	Implications from 3-dimensional modeling of gamma-ray signatures in the Galactic Center Dörner, Julien, Becker Tjus, Julia, Blomenkamp, Paul-Simon, Fichtner, Horst, Franckowiak, Anna, Guenduez, Memo & Hoerbe, Mario, 2022, 44th COSPAR Scientific Assembly. Held 16-24 July, 44, p. 2179
0	A perturbative approach to a nonlinear advection-diffusion equation of particle transport Walter, D., Fichtner, H. & Litvinenko, Y., 2022, 37th International Cosmic Ray Conference, p. 139
0	Using magnetic ray-tracing to reproduce the Sun's cosmic-ray shadow as seen by IceCube Kleimann, J., Tenholt, F., Döpper, N., Becker Tjus, J., Fichtner, H. & Desiati, P., 2022, 37th International Cosmic Ray Conference, p. 1334
0	Implications of Solar Magnetograms for the Drifts of Cosmic Rays Fichtner, H. & Kopp, A., 2022, 37th International Cosmic Ray Conference, p. 1342
0	Implications from 3-dimensional modelling of gamma-ray signatures in the Galactic Center Dörner, J., Becker Tjus, J., Blomenkamp, P. S., Fichtner, H., Franckowiak, A., Hoerbe, M. R. & Zaninger, M., 2024, 38th International Cosmic Ray Conference, p. 584
0	Simulating Time Dependent Diffusive Shock Acceleration in the Transition Region Aerdker, S., Merten, L., Becker Tjus, J., Walter, D., Effenberger, F. & Fichtner, H., 2024, 38th International Cosmic Ray Conference, p. 1468
0	The Titan wakefield effects due to solar wind streaming Moslem, W. M., Sabry, R., Fichtner, H., Lazar, M. & El-Shafeay, N. A., 2025, A&A, 701, A106
0	Simulating turbulence in galactic halos and in the outer heliosphere Kleimann, J., Oughton, S. & Fichtner, H., 2025, Journal of Physics Conference Series, Journal of Physics Conference Series, 2997, p. 012001
0	Revisiting the Role of the Streaming Instability for the Cosmic-Ray Spectrum in the GeV-to-TeV Range Han Thanh, Linh, Dörner, Julien, Becker Tjus, Julia, Fichtner, Horst & Amato, Elena, 2026, ApJ, 1001, 7