A mechanism for strong shock electron heating in supernova remnants

Details A mechanism for strong shock electron heating in supernova remnants A mechanism for strong shock electron heating in supernova remnants

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...329l..29c&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 329, June 1, 1988, p. L29-L32.

Astronomy and Astrophysics

Astrophysics

103

Electron Energy, Nebulae, Shock Heating, Supernova Remnants, Collisionless Plasmas, Cosmic Plasma, Shock Fronts, X Ray Sources

Scientific paper

It is shown that collisionless shock waves propagating away from a supernova may be directly responsible for the 10 keV X-ray emission seen in supernova remnants. A sequence of plasma instabilities (Buneman and ion acoustic) between the reflected and/or transmitted ions and the background electrons at the foot of the shock front can give rise to rapid anomalous heating of electrons. Hybrid simulations of a perpendicular collisionless shock are presented to demonstrate that this heating can arise within a self-consistently computed shock structure.

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