Calculations of atomic polarizability for beryllium using MCDHF method

doi:10.1088/1674-1056/abd92d

中国物理B ›› 2021, Vol. 30 ›› Issue (4): 43103-.doi: 10.1088/1674-1056/abd92d

收稿日期:2020-11-11 修回日期:2020-12-27 接受日期:2021-01-07 出版日期:2021-03-16 发布日期:2021-04-02

Calculations of atomic polarizability for beryllium using MCDHF method

Hui Dong(董辉)¹, Jun Jiang(蒋军)^1,†, Zhongwen Wu(武中文)¹, Chenzhong Dong(董晨钟)¹, and Gediminas Gaigalas²

1 Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China; 2 Institute of Theoretical Physics and Astronomy, Vilnius University, Saul\.etekio Avenue 3, Vilnius 10222, Lithuania

Received:2020-11-11 Revised:2020-12-27 Accepted:2021-01-07 Online:2021-03-16 Published:2021-04-02
Contact: ^†Corresponding author. E-mail: phyjiang@yeah.net
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0402300), the National Natural Science Foundation of China (Grant Nos. 11774292, 11804280, 11874051, and 11864036), the Scientific Research Funding of the Higher Education Institutions of Gansu Province of China (Grant No. 2018A-002), and the Major Project of the Research Ability Promotion Program for Young Scholars of Northwest Normal University of China (Grant No. NWNU-LKQN2019-5).

摘要/Abstract

Abstract: Based on the fully relativistic multiconfiguration Dirac-Hartree-Fock (MCDHF) method and the corresponding program package GRASP2018, a new program for calculating the polarizabilities is developed. As the first application, the static electric-dipole polarizabilities of the ground state 2s² ¹S₀ and excited state 2s2p ³P₀ of beryllium are calculated. By means of these polarizabilities, the blackbody radiation (BBR) shift of the 2s2p $^3P_0 \to \rm 2s^2$ ¹S₀ clock transition is determined. The present results agree very well with other available theoretical results.

Key words: polarizabilities, MCDHF, blackbody radiation shift

中图分类号: (Electron correlation calculations for atoms, ions and molecules)

31.15.V-

31.15.ap (Polarizabilities and other atomic and molecular properties) 32.10.Dk (Electric and magnetic moments, polarizabilities)

. [J]. 中国物理B, 2021, 30(4): 43103-.

Hui Dong(董辉), Jun Jiang(蒋军), Zhongwen Wu(武中文), Chenzhong Dong(董晨钟), and Gediminas Gaigalas. Calculations of atomic polarizability for beryllium using MCDHF method[J]. Chin. Phys. B, 2021, 30(4): 43103-.

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Calculations of atomic polarizability for beryllium using MCDHF method

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