Stark dynamics of two-electron atoms probed by scaled energy spectroscopy

被引：8
|
作者：
Murray-Krezan, J. [1 ]
Kelly, J. [1 ]
Kutteruf, M. R. [1 ]
Jones, R. R. [1 ]
机构：
[1] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA
来源：
PHYSICAL REVIEW A | 2007年 / 75卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.75.013401
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Orbital dynamics in two-electron alkaline earth atoms in a static electric field are studied using scaled-energy recurrence spectroscopy. Photoabsorption spectra for Ba and Ca Rydberg atoms are measured as continuous functions of static electric field and energy. In both Ba and Ca the laser excitation proceeds through the singly excited nd series which is strongly perturbed by doubly excited valence configurations. Clear signatures of the two-electron dynamics associated with these perturbing configurations are identified.
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页数：8
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