Long-range dispersion interactions. I. Formalism for two heteronuclear atoms

Jun-Yi Zhang, James Mitroy

    Research output: Contribution to journalArticle

    Abstract

    A general procedure for systematically evaluating the long-range dispersion interaction between two heteronuclear atoms in arbitrary states is outlined. The C6 dispersion parameter can always be written in terms of sum rules involving oscillator strengths only and formulas for a number of symmetry cases are given. The dispersion coefficients for excited alkali-metal atoms interacting with the ground-state H and He are tabulated. � 2007 The American Physical Society.
    Original languageEnglish
    Pages (from-to)22705-22718
    Number of pages14
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume76
    Publication statusPublished - 2007

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