The role of cosmic rays in supernovae shock dynamics

Details The role of cosmic rays in supernovae shock dynamics The role of cosmic rays in supernovae shock dynamics

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.251..271b&link_type=abstract

In ESA Proceedings of the Joint Varenna-Abastumani International School and Workshop on Plasma Astrophysics p 271-278 (SEE N87-

Astronomy and Astrophysics

Astrophysics

4

Cosmic Rays, Plasma Dynamics, Plasma Waves, Shock Wave Profiles, Supernovae, Compression Ratio, Cosmic Plasma, Magnetoacoustics, Particle Acceleration, Plasma Compression

Scientific paper

Two aspects of influence of cosmic rays undergoing a regular acceleration upon shock structure and dynamics are studied. It is established that at the adiabatic stage of supernova blast wave the cosmic rays having reached some maximum energy escape intensively from the vicinity of shock front. This particles escaping effect can lead to a significant change of shock compression ratio. It is established that precursor formed by cosmic ray pressure is unstable with respect to excitation of magnetoacoustic waves. The role of this instability in high-energy particles generation is discussed.

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