Calculations on polarization properties of alkali metal atoms using Dirac-Fock plus core polarization method

doi:10.1088/1674-1056/23/6/063101

Abstract A semi-empirical atomic structure model method is developed in the framework of a relativistic case. This method starts from Dirac-Fock calculations using B-spline basis set. The core-valence electron correction is then treated in a semi-empirical core polarization potential. As an application, the polarization properties of alkali metal atoms, including the static polarizabilities and long-range two-body dispersion coefficients, have been calculated. Our results are in good agreement with the results obtained from ab initio relativistic many-body perturbation method and the available experimental measurements.

Keywords: Dirac-Fock core polarization polarizabilities alkali metal atoms

Received: 14 November 2013
Revised: 31 December 2013
Accepted manuscript online:

PACS:	31.15.ap	(Polarizabilities and other atomic and molecular properties)
	31.15.bu	(Semi-empirical and empirical calculations (differential overlap, Hückel, PPP methods, etc.))
	31.30.jc	(Relativistic corrections to atomic structure and properties)

Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB821305) and the National Natural Science Foundation of China (Grant Nos. 11034009 and 11274246).

Corresponding Authors: Li Cheng-Bin, Qiao Hao-Xue
E-mail: cbli@wipm.ac.cn;qhx@whu.edu.cn

Cite this article:

Tang Yong-Bo (唐永波), Li Cheng-Bin (李承斌), Qiao Hao-Xue (乔豪学) Calculations on polarization properties of alkali metal atoms using Dirac-Fock plus core polarization method 2014 Chin. Phys. B 23 063101

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Calculations on polarization properties of alkali metal atoms using Dirac-Fock plus core polarization method

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