Density decomposition options in the orbital local plasma approximation

David E. Meltzer; John R. Sabin; S. B. Trickey; Zhong Wu Jin Zhong Wu

doi:10.1016/0168-583X(93)96001-S

Density decomposition options in the orbital local plasma approximation

David E. Meltzer, John R. Sabin, S. B. Trickey, Zhong Wu Jin Zhong Wu

CISA: Polytechnic Science and Mathematics

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17 Scopus citations

Abstract

We consider several variants of the orbital local plasma approximation, as groundwork for materials-specific calculation of the stopping cross section of condensed phase targets, in particular ultrathin films. The various methods are tested on atoms, where comparison is possible with other, more accurate, results. The agreement of one of the schemes with standard methods for these test systems is good enough that we recommend its use in cases of condensed systems (for which calculated orbital mean excitation energies, densities, and shell corrections are not readily available).

Original language	English (US)
Pages (from-to)	493-502
Number of pages	10
Journal	Nuclear Inst. and Methods in Physics Research, B
Volume	82
Issue number	4
DOIs	https://doi.org/10.1016/0168-583X(93)96001-S
State	Published - Sep 1993

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ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Cite this

Meltzer, D. E., Sabin, J. R., Trickey, S. B., & Jin Zhong Wu, Z. W. (1993). Density decomposition options in the orbital local plasma approximation. Nuclear Inst. and Methods in Physics Research, B, 82(4), 493-502. https://doi.org/10.1016/0168-583X(93)96001-S

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AB - We consider several variants of the orbital local plasma approximation, as groundwork for materials-specific calculation of the stopping cross section of condensed phase targets, in particular ultrathin films. The various methods are tested on atoms, where comparison is possible with other, more accurate, results. The agreement of one of the schemes with standard methods for these test systems is good enough that we recommend its use in cases of condensed systems (for which calculated orbital mean excitation energies, densities, and shell corrections are not readily available).

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10.1016/0168-583X(93)96001-S