Shock Heating and Nonlinear Cosmic Ray Production in Young Supernova Remnants

Details Shock Heating and Nonlinear Cosmic Ray Production in Young Supernova Remnants Shock Heating and Nonlinear Cosmic Ray Production in Young Supernova Remnants

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.2206e&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #22.06; Bulletin of the American Astronomical Society, Vol. 31, p.1406

Astronomy and Astrophysics

Astronomy

Scientific paper

Cosmic ray production in young supernova remnant (SNR) shocks is expected to be efficient and strongly nonlinear. In nonlinear, first-order Fermi acceleration, compression ratios will be higher and the shocked temperature lower than test-particle, Rankine-Hugoniot relations predict (in extreme cases, the shocked gas can be simultaneously 10 times cooler and 3-10 times denser than test-particle predictions). We describe the nonlinear effects using a simple, self-consistent model of shock acceleration and calculate broad-band continuum emission from selected young SNRs. In a companion paper, we describe the corresponding effects on X-ray line emission.

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