Doubly excited 1F0 states of two-electron ions -a time-dependent variation-perturbation calculation

D. Ray, Michihiko Sugawara, Y. Fujimura, A. K. Das, P. K. Mukherjee

Research output: Contribution to journalArticle

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Abstract

The calculation of the doubly excited 1F0 states of two-electron ions is performed within the framework of a recently proposed time-dependent variation-perturbation theory (TDVPT). Most of the excitation energies reported here are new, and good agreement with other existing results is obtained with a very limited basis size. The consistency of the doubly excited analytic wave-functions derived from this study is checked by evaluating the Coulomb repulsion terms in these states.

Original languageEnglish
Pages (from-to)452-457
Number of pages6
JournalPhysics Letters A
Volume169
Issue number6
DOIs
Publication statusPublished - 1992 Oct 12
Externally publishedYes

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perturbation
excitation
ions
electrons
perturbation theory
wave functions
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Doubly excited 1F0 states of two-electron ions -a time-dependent variation-perturbation calculation. / Ray, D.; Sugawara, Michihiko; Fujimura, Y.; Das, A. K.; Mukherjee, P. K.

In: Physics Letters A, Vol. 169, No. 6, 12.10.1992, p. 452-457.

Research output: Contribution to journalArticle

Ray, D. ; Sugawara, Michihiko ; Fujimura, Y. ; Das, A. K. ; Mukherjee, P. K. / Doubly excited 1F0 states of two-electron ions -a time-dependent variation-perturbation calculation. In: Physics Letters A. 1992 ; Vol. 169, No. 6. pp. 452-457.
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