Fermi acceleration at shocks with arbitrary velocity profiles

Details Fermi acceleration at shocks with arbitrary velocity profiles Fermi acceleration at shocks with arbitrary velocity profiles

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323l..87s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 323, Dec. 1, 1987, p. L87-L90. NASA-supported resea

Statistics

20

Cosmic Rays, Particle Acceleration, Relativistic Particles, Shock Fronts, Velocity Measurement, Fermi-Dirac Statistics, Spectrum Analysis

Scientific paper

Diffusive particle acceleration in modified shock fronts is considered. The authors outline a method by which one can obtain the resulting particle spectrum for an arbitrary flow profile; this method is based on a reformulation of the transport equation as a nonlinear first-order equation. Besides the shape of the flow profile, the spectral index of particles depends on the Péclet number of the shock. Results are given for some sample profiles.

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