Rankine-Hugoniot Relations in Multispecies Plasma With Gyrotropic Anisotropic Downstream Ion Distributions

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3 Scopus citations

Abstract

In the observed heliospheric shocks downstream distributions are usually measured in the regions where the kinematic relaxation has already happened but isotropy is not achieved. Rankine-Hugoniot relations, connecting the upstream and downstream plasma parameters, should be able to take into account the downstream ion anisotropy. In a multispecies plasma different species behave differently at the ramp crossing and when collisionlessly gyrating in the downstream region. The downstream density and pressure of each species can be expressed in terms of the magnetic compression and the cross-shock potential, which allows us to derive new Rankine-Hugoniot relations.

Original languageEnglish
Pages (from-to)11857-11863
Number of pages7
JournalJournal of Geophysical Research: Space Physics
Volume122
Issue number12
DOIs
StatePublished - 1 Dec 2017

Keywords

  • collisionless shocks
  • gyrotropic ions
  • kinematic relaxation
  • shock structure

ASJC Scopus subject areas

  • Space and Planetary Science
  • Geophysics

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