Closed-orbit theory of oscillations in atomic photoabsorption cross sections in a strong electric field. II. Derivation of formulas.
Closed-orbit theory of oscillations in atomic photoabsorption cross sections in a strong electric field. II. Derivation of formulas.
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DOI：
10.1103/physreva.46.1455
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发表时间：
1992-08
期刊：
影响因子：
--
通讯作者：
J. Gao;J. Delos
中科院分区：
文献类型：
--
作者：
J. Gao;J. Delos
本文根据研究磁场中氢原子的闭轨道理论，导出了氢原子和碱金属原子在静电场中的光吸收截面公式。电场比磁场简单，因为经典运动是规则的，闭合轨道可以被枚举。在碱金属中，核改变了相关的偶极矩阵元素，并产生额外的相移
A formula for photoabsorptiion cross sections of hydrogen ans alkali-metal atoms in a static electric field is derived, based on the closed-orbit theory previously used to study hydrogen in a magnetic field. Electric fields are simpler than magnetic fileds, because the classical motion is regular and closed orbits can be enumerated. In alkali metals the core modifies the relevant dipole matrix elements, and it produces additional phase shifts