Hartree-Fock wave functions with a modified GTO basis for atoms

被引:0
作者
Buendia, E [1 ]
Galvez, FJ [1 ]
Sarsa, A [1 ]
机构
[1] UNIV GRANADA,FAC CIENCIAS,DEPT FIS MODERNA,E-18071 GRANADA,SPAIN
关键词
atomic structure; Hartree-Fock; modified Gaussian orbitals; momentum density; single-particle density;
D O I
暂无
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
We have solved the atomic Hartree-Fock equations by using the algebraic approach, expanding the single-particle radial wave function in terms of a modified Gaussian type orbitals (GTOs) basis. Several atomic properties such as Kato's cusp condition for the electron density or the correct asymptotic behavior of the electron momentum density distribution are accurately verified. Additionally the energy of the atomic ground state can be obtained by using a smaller number of basis functions than in standard GTO expansions. This study has been performed for several atoms of the first three rows. (C) 1997 John Wiley & Sons, Inc.
引用
收藏
页码:59 / 64
页数:6
相关论文
共 27 条
  • [1] ASYMPTOTIC DOUBLE-PHOTOEXCITATION CROSS SECTIONS OF HELIUM ATOM
    ABERG, T
    [J]. PHYSICAL REVIEW A, 1970, 2 (05): : 1726 - &
  • [2] [Anonymous], 1986, J MOL STRUC-THEOCHEM, DOI [DOI 10.1016/0166-1280(86)80068-9, 10.1016/0166-1280(86)80068-9]
  • [3] HARTREE-FOCK AND ROOTHAAN-HARTREE-FOCK ENERGIES FOR THE GROUND-STATES OF HE THROUGH XE
    BUNGE, CF
    BARRIENTOS, JA
    BUNGE, AV
    COGORDAN, JA
    [J]. PHYSICAL REVIEW A, 1992, 46 (07): : 3691 - 3696
  • [4] SOFT COULOMB HOLE FOR THE HARTREE-FOCK MODEL TO ESTIMATE ATOMIC CORRELATION ENERGIES
    CHAKRAVORTY, SJ
    CLEMENTI, E
    [J]. PHYSICAL REVIEW A, 1989, 39 (05): : 2290 - 2296
  • [5] Clementi E., 1974, Atomic Data and Nuclear Data Tables, V14, P177, DOI 10.1016/S0092-640X(74)80016-1
  • [6] Analytic correlated wave functions in momentum space and related properties of helium like ions
    deSaavedra, FA
    Buendia, E
    Galvez, FJ
    [J]. ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1996, 38 (01): : 25 - 30
  • [7] ASSESSMENT OF GAUSSIAN-WEIGHTED ANGULAR RESOLUTION FUNCTIONS IN THE COMPARISON OF QUANTUM-MECHANICALLY CALCULATED ELECTRON MOMENTUM DISTRIBUTIONS WITH EXPERIMENT
    DUFFY, P
    CASIDA, ME
    BRION, CE
    CHONG, DP
    [J]. CHEMICAL PHYSICS, 1992, 159 (03) : 347 - 363
  • [8] ELECTRON MOMENTUM SPECTROSCOPY OF THE VALENCE ORBITALS OF ACETYLENE - QUANTITATIVE COMPARISONS USING NEAR HARTREE-FOCK LIMIT AND CORRELATED WAVE-FUNCTIONS
    DUFFY, P
    CLARK, SAC
    BRION, CE
    CASIDA, ME
    CHONG, DP
    DAVIDSON, ER
    MAXWELL, C
    [J]. CHEMICAL PHYSICS, 1992, 165 (2-3) : 183 - 199
  • [9] FISCHER CF, 1977, HARTREEFOCK METHOD A
  • [10] ANGULAR-DISTRIBUTION IN THE DOUBLE-IONIZATION OF HELIUM BY FAST ELECTRONS - EFFECT OF TARGET E-E CORRELATIONS
    GUPTA, S
    SRIVASTAVA, MK
    [J]. PHYSICAL REVIEW A, 1995, 52 (03): : 2083 - 2087