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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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
Issue number6
Publication statusPublished - 1992 Oct 12


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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