A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s2, 3s2, and 4s2 states of He atom with a complex absorbing potential

doi:10.1088/1674-1056/26/8/083101

中国物理B ›› 2017, Vol. 26 ›› Issue (8): 83101-083101.doi: 10.1088/1674-1056/26/8/083101

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s², 3s², and 4s² states of He atom with a complex absorbing potential

Tsogbayar Tsednee, Danny L Yeager

Department of Chemistry, Texas A & M University, College Station, TX 77843, USA

收稿日期:2017-02-03 修回日期:2017-03-27 出版日期:2017-08-05 发布日期:2017-08-05
通讯作者: Tsogbayar Tsednee E-mail:tsogbayar.tsednee@tamu.edu

A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s², 3s², and 4s² states of He atom with a complex absorbing potential

Tsogbayar Tsednee, Danny L Yeager

Department of Chemistry, Texas A & M University, College Station, TX 77843, USA

Received:2017-02-03 Revised:2017-03-27 Online:2017-08-05 Published:2017-08-05
Contact: Tsogbayar Tsednee E-mail:tsogbayar.tsednee@tamu.edu
About author:0.1088/1674-1056/26/8/

摘要/Abstract

摘要：

The self-consistent Hartree-Fock equation for the He atom is solved using the pseudospectral method. The Feshbach-type autoionization resonance parameters for doubly excited 2s², 3s², and 4s² ¹S states of He have been determined by adding a complex absorbing potential to the Hamiltonian. The Riss-Meyer iterative and Padé extrapolation methods are applied to obtain reliable values for the autoionization resonance parameters, which are compared to previous results in the literature.

关键词: self-consistent field, Hartree-Fock equation, helium autoionization, pseudospectral method

Abstract:

Key words: self-consistent field, Hartree-Fock equation, helium autoionization, pseudospectral method

中图分类号: (Theory of electronic structure, electronic transitions, and chemical binding)

31.10.+z

31.15.xr (Self-consistent-field methods) 32.80.Zb (Autoionization)

Tsogbayar Tsednee,Danny L Yeager. A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s², 3s², and 4s² states of He atom with a complex absorbing potential[J]. 中国物理B, 2017, 26(8): 83101-083101.

Tsogbayar Tsednee, Danny L Yeager. A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s², 3s², and 4s² states of He atom with a complex absorbing potential[J]. Chin. Phys. B, 2017, 26(8): 83101-083101.

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A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s², 3s², and 4s² states of He atom with a complex absorbing potential

A numerical Hartree self-consistent field calculation of an autoionization resonance parameters for a doubly excited 2s², 3s², and 4s² states of He atom with a complex absorbing potential

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