Relativistic electronic structure of the Sr2 molecule

被引：23
|
作者：
Kotochigova, Svetlana [1 ]
机构：
[1] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA
来源：
JOURNAL OF CHEMICAL PHYSICS | 2008年 / 128卷 / 02期
关键词：
D O I：
10.1063/1.2817592
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Diatomic Sr(2) has been proposed as a good candidate for precision measurement of possible time variation of fundamental constants. Precise knowledge of its vibrational structure and Stark shift of its levels in an optical lattice is required for realization of this proposal. Motivated by these ideas we have performed a numerical calculation of interatomic potentials and transition dipole moments of the Sr(2) molecule using an ab initio relativistic configuration interaction valence bond self-consistent-field method. (c) 2008 American Institute of Physics.
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