Long-range interactions of excited He atoms with ground-state noble-gas atoms

Junyi Zhang, Ying Qian, Udo Schwingenschlögl, Z.-C. Yan

Research output: Contribution to journalArticlepeer-review

Abstract

The dispersion coefficients C6, C8, and C10 for long-range interactions of He(n1,3S) and He(n1,3P), 2≤n≤10, with the ground-state noble-gas atoms Ne, Ar, Kr, and Xe are calculated by summing over the reduced matrix elements of multipole transition operators. The large-n expansions for the sums over the He oscillator strength divided by the corresponding transition energy are presented for these series. Using the expansions, the C6 coefficients for the systems involving He(131,3S) and He(131,3P) are calculated and found to be in good agreement with directly calculated values.
Original languageEnglish (US)
JournalPhysical Review A
Volume88
Issue number4
DOIs
StatePublished - Oct 9 2013

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