Published January 1, 1981
| public
Journal Article
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Mean-field approximation for inclusive observables
- Creators
- Alhassid, Y.
- Müller, B.
- Koonin, S. E.
Abstract
The excitation of a many-body system by a one-body perturbation is considered. The stationary phase approximation to a functional-integral representation of the many-body evolution operator shows that the optimal mean field for describing the final expectation values of one- and two-body operators is that given by the time-dependent Hartree-Fock method. The forced Lipkin model is considered as a test of the mean-field approximation.
Additional Information
©1981 The American Physical Society Received 2 September 1980 This work was supported in part by the National Science Foundation (PHY77-21602 and PHY79-23638). Y. Alhassid is a Chaim Weizmann Postdoctoral Fellow and S.E. Koonin is an Alfred P. Sloan Foundation Fellow.Files
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Additional details
- Eprint ID
- 7046
- Resolver ID
- CaltechAUTHORS:ALHprc81a
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2007-01-06Created from EPrint's datestamp field
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