Phys. Rev. A 68, 035201 (2003) [3 pages]van der Waals coefficients for positronium-atom interactionsReceived 23 April 2003; published 19 September 2003 The van der Waals coefficients for positronium interactions with a number of rare gases (He, Ne, Ar, Kr, and Xe) and alkali-metal atoms (Li, Na, K, and Rb) are estimated using a variety of ab initio and semiempirical methods. Dispersion coefficients are also presented for atomic hydrogen and a number of rare-gas and alkali-metal atoms for validation purposes. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.68.035201
DOI:
10.1103/PhysRevA.68.035201
PACS:
36.40.-c, 36.10.-k, 31.10.+z, 34.50.-s
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