Phys. Rev. A 78, 062710 (2008) [6 pages]Long-range interactions of copper and silver atoms with hydrogen, helium, and rare-gas atomsReceived 14 July 2008; published 12 December 2008 Dispersion interactions of the ground and resonantly excited states of Cu and Ag with a number of buffer gases are determined. The valence excitation spectrum was calculated by diagonalizing a semiempirical Hamiltonian in a large-dimension single-electron basis. The core made a significant contribution to the C6 and C8 dispersion coefficients for both copper and silver. Oscillator strengths and static scalar and tensor polarizabilities are given for some of the low-lying states. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.78.062710
DOI:
10.1103/PhysRevA.78.062710
PACS:
34.20.−b, 31.50.−x, 32.10.Dk, 32.70.Cs
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