Self-consistent reduction of the Spitzer-Härm electron thermal heat flux in steep temperature gradients in laser-produced plasmas

D. Shvarts, J. Delettrez, R. L. McCrory, C. P. Verdon

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

A simple self-consistent limitation of the anisotropic portion of the local electron distribution function results in an order-of-magnitude reduction from the Spitzer-Härm thermal heat flux in steep temperature gradients, in agreement with recent Fokker-Planck simulations. A new upper bound derived for the local heat flux, substantially lower than that given by a "free-streaming" limit, accounts for most of the " inhibition" previously required in the interpretation of many experiments with high-power-laser-produced plasma.

Original languageEnglish
Pages (from-to)247-250
Number of pages4
JournalPhysical Review Letters
Volume47
Issue number4
DOIs
StatePublished - 1 Jan 1981
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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