Valence fluctuation state of a metastable He atom beam on a metal surface, and singlet-triplet conversion

H. Kawai, A. Yoshimori, M. Nakayama

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)

抄録

The time-dependent expectation value of the triplet metastable He atom is obtained by starting from the singlet state and solving the time-dependent Schrödinger equation directly, to the eighth-order of V, where V is the transfer integral between the conduction electron state and the 2s state of the He atom. The results show that rapid singlet-triplet conversion on the low work-function metal surface occurs through the valence fluctuation state. The quasi-static approximation is demonstrated to be valid to the eighth-order of V. The previously conjectured closed form of the transition rate for the conversion is confirmed.

本文言語英語
ページ(範囲)127-132
ページ数6
ジャーナルSurface Science
363
1-3
DOI
出版ステータス出版済み - 8月 1 1996

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 表面および界面
  • 表面、皮膜および薄膜
  • 材料化学

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