MANY-BODY CALCULATION OF ATOMIC POLARIZABILITY - RELATION TO HARTREE-FOCK THEORY

被引：73

作者：

CHANG, ES

PU, RT

DAS, TP

机构：

[1] Department of Physics, University of California, Riverside, CA

[2] Laboratory for Theoretical Studies, NASA-Goddard Space Flight Center, Greenbelt, MD

来源：

PHYSICAL REVIEW | 1968年 / 174卷 / 01期

关键词：

D O I：

10.1103/PhysRev.174.16

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Brueckner-Goldstone perturbation method has been applied to the calculation of the dipole polarizability (αd) and antishielding factor (γd) for lithium-atom ground state. The complete set of states utilized is the same as those employed in earlier calculations of the hyperfine constant and correlation energy. Our results are αd=24.84 3 and γd=0.958, as compared to a recent experimental value for αd=22±2 3 and γd=1.000 from the Hellmann-Feynman theorem. The relationship between the Brueckner-Goldstone and the Hartree-Fock perturbation procedures is discussed with reference to specific physical effects. © 1968 The American Physical Society.

引用

页码：16 / &

共 15 条

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