Dispersion coefficients for interactions between hydrogen and helium atoms with Coulomb and screened Coulomb potentials

被引：3

作者：

Kar, Sabyasachi ^{[1
]}

Ho, Y. K. ^{[2
]}

Jiang, Zishi ^{[1
,3
]}

机构：

[1] Harbin Inst Technol, Ctr Theoret Atom & Mol Phys, Acad Fundamental & Interdisciplinary Sci, Harbin 150080, Peoples R China

[2] Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan

[3] Heilongjiang Univ, Dept Phys, Harbin 150080, Peoples R China

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2011年 / 44卷 / 16期

关键词：

DEBYE PLASMAS; BOUND-STATES; VANDERWAALS FORCE; RESONANCE STATE; POLARIZABILITIES; SYSTEMS; DIPOLE; HE; MOMENTS; IONS;

D O I：

10.1088/0953-4075/44/16/165004

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have carried out calculations to investigate Van der Waals two-body dispersion coefficients C(8), C(10) and C(12) for the H(1s (2)S)-He(1s(2 1)S) system with screened Coulomb interactions in the framework of a powerful computational technique. The dispersion coefficients for different screening parameters ranging from 0 to 1a(0)(-1) are reported. In the unscreened case, the C(12) coefficient is reported for the first time in the literature.

引用

页数：4

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