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Mean-field approximation for inclusive observables

Alhassid, Y. and Müller, B. and Koonin, S. E. (1981) Mean-field approximation for inclusive observables. Physical Review C, 23 (1). pp. 487-491. ISSN 0556-2813.

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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.

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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.
Subject Keywords:NUCLEAR REACTIONS Mean-field approximation, inclusive observables. Time-dependent Hartree-Fock.
Issue or Number:1
Record Number:CaltechAUTHORS:ALHprc81a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7046
Deposited By: Archive Administrator
Deposited On:06 Jan 2007
Last Modified:02 Oct 2019 23:38

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