Ion heating in oblique low-Mach number shocks

Details Ion heating in oblique low-Mach number shocks Ion heating in oblique low-Mach number shocks

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.2511g&link_type=abstract

Geophysical Research Letters, Volume 24, Issue 20, p. 2511-2514

Physics

Plasma Physics

14

Space Plasma Physics: Shock Waves, Interplanetary Physics: Planetary Bow Shocks, Space Plasma Physics: Charged Particle Motion And Acceleration

Scientific paper

The contribution of the directly transmitted ions to ion heating in the low-Mach number oblique shock is determined analytically. We derive approximate expressions for the pressure tensor inside the ramp of a low-Mach number low-β shock. In the thin shock limit the ion state equation p~n3 is recovered within the ramp, which corresponds to the complete demagnetization of ions and effective one-dimensional behavior. We derive the estimate for the maximum downstream temperature of the heated ion distribution, which depends only on the magnetic compression ratio and cross-shock potential, and may be verified observationally.

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