Perpendicular transport in 1‐ and 2‐dimensional shock simulations

J. Randy Jokipii, J. Kóta, Joe Giacalone

Research output: Contribution to journalArticlepeer-review

145 Scopus citations


We consider the foundations of 1‐ and 2‐dimensional shock simulations in which the physical quantities are independent of a coordinate which is not parallel to the magnetic field. We show analytically that in such simulations the ions are effectively tied to the convected magnetic lines of force because of the presence of an ignorable spatial coordinate. This conclusion has important consequences. In particular we conclude that the acceleration of energetic charged particles at quasi‐perpendicular shocks cannot be properly studied in such simulations because the role of perpendicular diffusion cannot be properly evaluated.

Original languageEnglish (US)
Pages (from-to)1759-1761
Number of pages3
JournalGeophysical Research Letters
Issue number17
StatePublished - Sep 3 1993

ASJC Scopus subject areas

  • Geophysics
  • General Earth and Planetary Sciences


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