The X2Σ+ state of LiCa studied by Fourier-transform spectroscopy

被引：25
|
作者：
Ivanova, Milena [1 ]
Stein, Alexander [2 ]
Pashov, Asen [1 ]
Stolyarov, Andrey V. [3 ]
Knoeckel, Horst [2 ]
Tiemann, Eberhard [2 ]
机构：
[1] Univ Sofia, Dept Phys, Sofia 1164, Bulgaria
[2] Leibniz Univ Hannover, Inst Quantenopt, D-30167 Hannover, Germany
[3] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源：
JOURNAL OF CHEMICAL PHYSICS | 2011年 / 135卷 / 17期
关键词：
ab initio calculations; calcium alloys; fine structure; Fourier transform spectra; ground states; lithium alloys; potential energy surfaces; Schrodinger equation; spin-rotation coupling; visible spectra; ELECTRONIC-STRUCTURE; BALI; VAN;
D O I：
10.1063/1.3652755
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：
The paper reports on a successful observation of high resolution Fourier transform spectra of LiCa. The fine structure of the ground state was observed and attributed to effective spin-rotation interaction. The experimental observations are described by two models using potential energy curves. One of them takes into account the fine structure splitting by means of effective constants, the other by means of a R dependent function gamma(R), built in the radial Schroumldinger equation. Ab initio calculations were performed for gamma(R) which comes close to the experimental function.(C) 2011 American Institute of Physics. [doi:10.1063/1.3652755]
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页数：10
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