Physics – Atomic Physics
Scientific paper
2006-03-28
Phys. Rev. A 74, 014704 (2006)
Physics
Atomic Physics
Scientific paper
10.1103/PhysRevA.74.014704
The energetically lowest five states of a helium atom are: He($1^1S$),
He($2^3S$), He($2^1S$), He($2^3P$), and He($2^1P$). Long-range interaction
coefficients $C_3$, $C_6$, $C_8$, $C_9$, and $C_{10}$ for all $S-S$ and $S-P$
pairs of these states are calculated precisely using correlated wave functions
in Hylleraas coordinates. Finite nuclear isotope mass effects are included.
Babb James F.
Sadeghpour Hossein R.
Vrinceanu Daniel
Yan Zong-Chao
Zhang Jack Y.
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