Potential energy surface for spin-polarized rubidium trimer

被引:13
作者
Soldan, Pavel [1 ]
机构
[1] Charles Univ Prague, Fac Math & Phys, Dept Chem Phys & Opt, CZ-12116 Prague 2, Czech Republic
关键词
coupled cluster calculations; electron spin polarisation; extrapolation; Hilbert spaces; interpolation; molecular electronic states; potential energy surfaces; rubidium; LONG-RANGE; DISPERSION COEFFICIENTS; ATOM-DIATOM; COLLISIONS; MOLECULES; FORCES; STATES; RB2;
D O I
10.1063/1.3455710
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
Potential energy surface for the lowest quartet state of the rubidium trimer is constructed, making use of the many-body decomposition. Interaction energies are calculated using the coupled-clusters method and interpolated using the reciprocal-power reproducing kernel Hilbert space interpolation method. Both the two-body and three-body nonadditive parts are extrapolated to exhibit the correct long-range behavior. Consequences for the low-energy scattering are briefly discussed. (C) 2010 American Institute of Physics. [doi:10.1063/1.3455710]
引用
收藏
页数:7
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