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Cosmic-Ray Transport and Acceleration

Published online by Cambridge University Press:  12 April 2016

Reinhard Schlickeiser
Reinhard Schlickeiser*
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany

Abstract

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We review the transport and acceleration of cosmic rays concentrating on the origin of galactic cosmic rays. Quasi-linear theory for the acceleration rates and propagation parameters of charged test particles combined with the plasma wave viewpoint of modeling weak cosmic electromagnetic turbulence provides a qualitatively and quantitatively correct description of key observations. Incorporating finite frequency effects, dispersion, and damping of the plasma waves are essential in overcoming classical discrepancies with observations as the Kfit - Kql discrepancy of solar particle events. We show that the diffusion-convection transport equation in its general form contains spatial convection and diffusion terms as well as momentum convection and diffusion terms. In particular, the latter momentum diffusion term plays a decisive role in the acceleration of cosmic rays at super-Alfvénic supernova shock fronts, and in the acceleration of ultra-high-energy cosmic rays by distributed acceleration in our own galaxy.

Subject headings: acceleration of particles — convection — cosmic rays — diffusion — shock waves

Type
Active Galaxies and Quasi-Stellar Objects
Information
International Astronomical Union Colloquium , Volume 142: Particle Acceleration Phenomena in Astrophysical Plasmas , 1994 , pp. 926 - 936
Copyright
Copyright © The American Astronomical Society 1994

References

Achatz, U., Dröge, W., Schlickeiser, R., & Wibberenz, W. 1993, J. Geophys. Res., 98, 13261 CrossRefGoogle Scholar
Achatz, U., Steinacker, J., & Schlickeiser, R. 1991, A&A, 250, 266 Google Scholar
Achterberg, A. 1981, A&A, 98, 161 Google Scholar
Axford, W.I., Leer, E., & Skadron, G. 1977, Proc. 15th Internat. Cosmic Ray Conf. (Plovdiv), 11, 132 Google Scholar
Barnes, A. 1969, ApJ, 155, 311 Google Scholar
Bell, A.R. 1978, MNRAS, 182, 147 Google Scholar
Blandford, R.D., & Ostriker, J.P. 1978, ApJ, 227, L49 Google Scholar
Campeanu, A., & Schlickeiser, R. 1992, A&A, 263, 413 Google Scholar
Casse, M., & Paul, J.A. 1982, ApJ, 258, 860 Google Scholar
Davila, J.M., & Scott, J.S. 1984, ApJ, 285, 400 CrossRefGoogle Scholar
Dröge, W., Lerche, I., & Schlickeiser, R. 1987, A&A, 178, 252 Google Scholar
Fermi, E., 1949, Phys. Rev., 75, 1169 Google Scholar
Fermi, E., 1954, ApJ, 119, 1 CrossRefGoogle Scholar
Foote, E.A., & Kulsrud, R.M. 1979, ApJ, 233, 302 CrossRefGoogle Scholar
Hall, D.E., & Sturrock, P.A. 1967, Phys. Fluids, 10, 2620 CrossRefGoogle Scholar
Hasselmann, K., & Wibberenz, G. 1968, Z. Geophys., 34, 353 Google Scholar
Jaekel, U., & Schlickeiser, R. 1992, J. Phys. G, 18, 1089 Google Scholar
Jokipii, J.R. 1966, ApJ, 146, 480 Google Scholar
Kennel, C.F., & Engelmann, F. 1966, Phys. Fluids, 9, 2377 CrossRefGoogle Scholar
Kirk, J.G., Schlickeiser, R., & Schneider, P. 1988, ApJ, 328, 269 CrossRefGoogle Scholar
Krommes, J.A. 1984, in Basic Plasma Physics II, ed. Galeev, A.A. & Sudan, R. N. (Amsterdam: North-Holland), 183 Google Scholar
Krymsky, G.F. 1977, Dokl. Akad. Nauk. SSSR, 234, 1306 Google Scholar
Kulsrud, R.M., & Pearce, W.P. 1969, ApJ, 156, 445 Google Scholar
Lerche, I. 1968, Phys. Fluids, 11, 1720 Google Scholar
Lerche, I. 1980, A&A, 85, 141 Google Scholar
Lovell, B. 1974, Phil. Trans. R. Soc. Lond. A, 277, 489 Google Scholar
McKenzie, J.K., & Westphal, K.O. 1969, Planet. Space Sci., 17, 1029 CrossRefGoogle Scholar
Palmer, I.D. 1982, Rev. Geophys., 20, 335 Google Scholar
Pohl, M. 1993, A&A, 270, 91 Google Scholar
Rickett, B.J. 1990, ARA&A, 28, 561 Google Scholar
Schlickeiser, R. 1989a, ApJ, 336, 243 CrossRefGoogle Scholar
Schlickeiser, R. 1989b, ApJ, 336, 264 Google Scholar
Schlickeiser, R. 1992, in Particle Acceleration in Cosmic Plasmas, ed. Zank, G.P. & Gaisser, T.K. (New York: AIP), 92 Google Scholar
Schlickeiser, R., & Achatz, U. 1993a, J. Plasma Phys., 49, 63 Google Scholar
Schlickeiser, R., & Achatz, U. 1993b, J. Plasma Phys., in pressGoogle Scholar
Schlickeiser, R., Campeanu, A., & Lerche, I. 1993, A&A, 276, 614 Google Scholar
Schlickeiser, R., & Fürst, E. 1989, A&A, 219, 192 Google Scholar
Scholer, M., & Belcher, J.W. 1971, Sol. Phys., 16, 472 Google Scholar
Smith, C.W., Bieber, J.W., & Matthaeus, W.H. 1990, ApJ, 363, 283 Google Scholar
Vedenov, A.A., Velikhov, E.P., & Sagdeev, R.Z. 1962, Nucl. Fusion Suppl., 2, 465 Google Scholar
Wolfendale, A.W. 1983, QJRAS, 24, 122 Google Scholar