Published January 28, 1978
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Journal Article
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A time-dependent first-order Bethe-Goldstone theory
- Creators
- Csanak, Gy
- McKoy, V.
Abstract
The time-dependent first-order Bethe-Goldstone theory is defined by using the Hartree-Fock approximation in the Bethe-Goldstone equation with the external field fully coupled in. Starting from this equation and using the Gell-Mann and Low projection technique various amplitude equations are obtained. Finally an equation is obtained in differential form for the excited-state pair amplitude. This can be used to calculate transition moments between the ground and excited states of atomic or molecular systems which incorporate short-range correlation effects.
Additional Information
Copyright © Institute of Physics and IOP Publishing Limited 1978. Received 31 May 1977, in final form 15 August 1977. The financial support of the Conselho Nacional de Pesquisas (Brad) and of the National Science Foundation (USA) is gratefully acknowledged. The authors also want to acknowledge the interest and continuing support of Professor Sergio Porto in this research. Work supported by the NSF(OIP)-CNPq (Brasil) Cooperative Science Program. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No 5583.Files
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