Effective oscillator strength distributions of spherically symmetric atoms for calculating polarizabilities and long-range atom-atom interactions

被引:47
作者
Jiang, Jun [1 ,2 ]
Mitroy, J. [2 ]
Cheng, Yongjun [2 ,3 ]
Bromley, M. W. J. [4 ]
机构
[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Peoples R China
[2] Charles Darwin Univ, Sch Engn, Darwin, NT 0909, Australia
[3] Harbin Inst Technol, Acad Fundamental & Interdisciplinary Sci, Harbin 150080, Peoples R China
[4] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4075, Australia
基金
澳大利亚研究理事会; 中国国家自然科学基金;
关键词
Effective oscillator strength distribution; Dynamic polarizability; Long-range interaction; Oscillator strength sum-rule; Dispersion coefficient; DER-WAALS FORCES; DISPERSION COEFFICIENTS; TRANSITION-PROBABILITIES; SUM-RULES; DIPOLE POLARIZABILITIES; ENERGY-LEVELS; XE; NE; VAN; AR;
D O I
10.1016/j.adt.2014.10.001
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
Effective oscillator strength distributions are systematically generated and tabulated for the alkali atoms, the alkaline-earth atoms, the alkaline-earth ions, the rare gases and some miscellaneous atoms. These effective distributions are used to compute the dipole, quadrupole and octupole static polarizabilities, and are then applied to the calculation of the dynamic polarizabilities at imaginary frequencies. These polarizabilities can be used to determine the long-range C-6, C-8 and C-10 atom-atom interactions for the dimers formed from any of these atoms and ions, and we present tables covering all of these combinations. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:158 / 186
页数:29
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