RELATIVISTIC DIRAC-FOCK AND MANY-BODY PERTURBATION CALCULATIONS ON HE, HE-LIKE IONS, NE, AND AR

被引:73
作者
ISHIKAWA, Y [1 ]
机构
[1] UNIV PUERTO RICO, CHEM PHYS PROGRAM, RIO PIEDRAS, PR 00931 USA
来源
PHYSICAL REVIEW A | 1990年 / 42卷 / 03期
关键词
D O I
10.1103/PhysRevA.42.1142
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Relativistic Dirac-Fock and diagrammatic many-body perturbation-theory calculations have been performed on He, several He-like ions, Ne, and Ar. The no-pair Dirac-Coulomb Hamiltonian is taken as the starting point. A solution of the Dirac-Fock equations is obtained by analytic expansion in basis sets of Gaussian-type functions. Many-body perturbation improvements of Coulomb correlation are done to third order. © 1990 The American Physical Society.
引用
收藏
页码:1142 / 1150
页数:9
相关论文
共 70 条
[1]   ON THE USE OF GAUSSIAN-BASIS SETS TO SOLVE THE HARTREE-FOCK-DIRAC EQUATION .1. APPLICATION TO ONE-ELECTRON ATOMIC SYSTEMS [J].
AERTS, PJC ;
NIEUWPOORT, WC .
CHEMICAL PHYSICS LETTERS, 1985, 113 (02) :165-172
[2]   RELATIVISTIC MANY-BODY APPROACH TO HYPERFINE INTERACTION IN RARE-EARTHS - EXPLANATION OF EXPERIMENTAL RESULT IN EUROPIUM [J].
ANDRIESSEN, J ;
RAGHUNATHAN, K ;
RAY, SN ;
DAS, TP .
PHYSICAL REVIEW B, 1977, 15 (05) :2533-2537
[3]  
Armstrong L, 1974, ADV ATOM MOL OPT PHY, V10, P1
[4]   EVEN-TEMPERED ATOMIC ORBITALS .3. ECONOMIC DEPLOYMENT OF GAUSSIAN PRIMITIVES IN EXPANDING ATOMIC SCF ORBITALS [J].
BARDO, RD ;
RUEDENBERG, K .
JOURNAL OF CHEMICAL PHYSICS, 1973, 59 (11) :5956-5965
[5]   BOUND-STATES IN MN- [J].
BECK, DR ;
CAI, ZY .
PHYSICAL REVIEW A, 1988, 37 (11) :4481-4483
[7]  
BERRY HG, 1985, AIP C P, V136, P94
[8]   IMPROVED MANY-BODY PERTURBATION-THEORY CALCULATIONS OF THE N = 2 STATES OF LITHIUMLIKE URANIUM [J].
BLUNDELL, SA ;
JOHNSON, WR ;
SAPIRSTEIN, J .
PHYSICAL REVIEW A, 1990, 41 (03) :1698-1700
[9]   RELATIVISTIC ALL-ORDER EQUATIONS FOR HELIUM [J].
BLUNDELL, SA ;
JOHNSON, WR ;
LIU, ZW ;
SAPIRSTEIN, J .
PHYSICAL REVIEW A, 1989, 39 (08) :3768-3775
[10]   RELATIVISTIC THEORY OF FERMIONS AND CLASSICAL FIELDS ON A COLLOCATION LATTICE [J].
BOTTCHER, C ;
STRAYER, MR .
ANNALS OF PHYSICS, 1987, 175 (01) :64-111