COMPUTATION OF THE 2ND-ORDER CORRELATION ENERGIES OF NE USING A FINITE-ELEMENT METHOD

被引:23
作者
FLORES, JR
机构
[1] Departamento de Química-Física, Facultad de Ciencias, 47005, Valladolid
来源
PHYSICAL REVIEW A | 1992年 / 46卷 / 09期
关键词
D O I
10.1103/PhysRevA.46.6063
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A p-version finite-element method is applied within the Moller-Plesset formalism [Phys. Rev. 46, 618 (1934)] to calculate accurate second-order pair and total correlation energies. Radial limits of the second-order correlation energy up to l = 12 are given, and careful angular-extrapolation procedures have been applied to obtain results which are expected to be accurate to +/-2 X 10(-5) hartree.
引用
收藏
页码:6063 / 6066
页数:4
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