The influence of the Alfvenic drift on the shape of cosmic ray spectra in SNRs

2008/01/01 by V. N. Zirakashvili, В. С. Птускин, V. S. Ptuskin +3 · 2 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Cosmology and Gravitation Theories #Gamma-ray bursts and supernovae #astro-ph

paper · pdf · doi:10.1063/1.3076675

4 pages, 4 figures, poster talk at 4-th Gamma-ray Symposium (Heidelberg, Germany, 7-11th of July 2008)

openalex publication_date 2008/01/01 · arxiv created 2008/07/17 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

Abstract

Cosmic ray acceleration in SNRs in the presence of the Alfvénic drift is considered. A nonlinear shock modification by the cosmic ray pressure is taken into account. It is shown that spectra of accelerated particles may be considerably softer in the presence of amplified magnetic fields.

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• Cosmic-ray acceleration in supernova remnants: non-linear theory revised

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