Higher-order effective Hamiltonian for light atomic systems

被引：82
|
作者：
Pachucki, K [1 ]
机构：
[1] Warsaw Univ, Inst Theoret Phys, PL-00681 Warsaw, Poland
来源：
PHYSICAL REVIEW A | 2005年 / 71卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.71.012503
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the derivation of the effective higher-order Hamiltonian, which gives an malpha(6) contribution to the energy levels of an arbitrary light atom. The derivation is based on the Foldy-Wouthuysen transformation of the one-particle Dirac Hamiltonian followed by perturbative expansion of the many-particle Green function. The obtained results can be used for the high precision calculation of relativistic effects in atomic systems.
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页数：10
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