The cosmic-ray shock structure problem for relativistic shocks

Details The cosmic-ray shock structure problem for relativistic shocks The cosmic-ray shock structure problem for relativistic shocks

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....3..107w&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 3 p 107-110 (SEE N85-34862 23-93)

Physics

Acceleration (Physics), Cosmic Rays, Gases, Hydrodynamic Equations, Shock Waves, Efficiency, Gas Pressure, Mach Number, Nonlinearity, Ratios, Time

Scientific paper

The time asymptotic behaviour of a relativistic (parallel) shock wave significantly modified by the diffusive acceleration of cosmic-rays is investigated by means of relativistic hydrodynamical equations for both the cosmic-rays and thermal gas. The form of the shock structure equation and the dispersion relation for both long and short wavelength waves in the system are obtained. The dependence of the shock acceleration efficiency on the upstream fluid spped, long wavelength Mach number and the ratio N = Pco/cP sub co+Pgo)(Psub co and Pgo are the upstream cosmic-ray and thermal gas pressures respectively) are studied.

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