Scattering of helium atoms from rare-gas-plated graphite

Carey Schwartz

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Accurate close-coupling calculations are performed for helium interacting with rare-gas-plated graphite. The atom-surface potentials used in this study are based upon pairwise additivity of atom-atom interactions, and the role of three-body forces is explored. Comparison between theoretical calculations which in turn include and exclude three-body forces indicates that experimental data are sensitive to three-body forces. Further comparison between theoretical calculations and experimental data for helium scattering from either krypton- or xenon-plated graphite yields semiquantitative agreement. Inasmuch as there are no adjustable parameters employed in the input potentials, it is concluded that these systems are well understood.

Original languageEnglish (US)
Pages (from-to)2834-2839
Number of pages6
JournalPhysical Review B
Volume34
Issue number4
DOIs
StatePublished - Jan 1 1986

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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