Vacuum polarization in uranium

被引：0
|
作者：
Efremov, Alexander [1 ,2 ]
机构：
[1] Univ Toulouse III, IRSAMC UMR5626, Lab Chim & Phys Quant LCPQ, Toulouse, France
[2] CNRS, Toulouse, France
来源：
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY | 2023年 / 123卷 / 04期
关键词：
Hartree-Fock; many-body physics; QED; renormalization group; vacuum polarization; RENORMALIZATION-GROUP; EQUATION;
D O I：
10.1002/qua.27029
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：
We formulate the Hartree-Fock method using a functional integral approach. Then we consider a nonperturbative component of the vacuum polarization. For the Dirac-Coulomb operator the renormalization flow of the vacuum polarization is calculated numerically. For the Hartree-Fock operator the polarization is obtained by integrating an appropriately rescaled flow. The text includes an approximate calculation of the vacuum polarization in Uranium.
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页数：26
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