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

D. Ray; M. Sugawara; Y. Fujimura; A. K. Das; P. K. Mukherjee

doi:10.1016/0375-9601(92)90826-8

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

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

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4 Citations (Scopus)

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 language	English
Pages (from-to)	452-457
Number of pages	6
Journal	Physics Letters A
Volume	169
Issue number	6
DOIs	https://doi.org/10.1016/0375-9601(92)90826-8
Publication status	Published - 1992 Oct 12
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1016/0375-9601(92)90826-8

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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.",

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AU - Ray, D.

AU - Sugawara, M.

AU - Fujimura, Y.

AU - Das, A. K.

AU - Mukherjee, P. K.

PY - 1992/10/12

Y1 - 1992/10/12

N2 - 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.

AB - 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.

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

Abstract

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