High-accuracy relativistic many-body calculations of van der Waals coefficients C_6 for alkaline-earth atoms

Details High-accuracy relativistic many-body calculations of van der Waals coefficients C_6 for alkaline-earth atoms High-accuracy relativistic many-body calculations of van der Waals coefficients C_6 for alkaline-earth atoms

2001-08-24

arxiv.org/abs/physics/0108047v1

Phys. Rev. A. 65, 020701(R) (2002)

Physics

Atomic Physics

5 pages, submitted to Phys. Rev. A

Scientific paper

10.1103/PhysRevA.65.020701

Relativistic many-body calculations of van der Waals coefficients C_6 for
dimers correlating to two ground state alkaline-earth atoms at large
internuclear separations are reported. The following values and uncertainties
were determined : C_6 = 214(3) for Be, 627(12) for Mg, 2221(15) for Ca,
3170(196) for Sr, and 5160(74) for Ba in atomic units.

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