Phys. Rev. A 65, 020701(R) (2002) [4 pages]High-accuracy relativistic many-body calculations of van der Waals coefficients C6 for alkaline-earth-metal atoms
Relativistic many-body calculations of van der Waals coefficients C6 for dimers correlating to two ground-state alkaline-earth-metal atoms at large internuclear separations are reported. The following values and uncertainties were determined: C6=214(3) for Be, 627(12) for Mg, 2221(15) for Ca, 3170(196) for Sr, and 5160(74) for Ba in atomic units. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.020701
DOI:
10.1103/PhysRevA.65.020701
PACS:
34.20.Cf, 31.10.+z, 32.10.Dk, 31.15.Ar
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