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Davesne, D.; Oertel, M.; Hansen, H.
IPN Lyon, 43 Bd du 11 Novembre 1918, F-69622 Villeurbanne Cedex (France)2002
IPN Lyon, 43 Bd du 11 Novembre 1918, F-69622 Villeurbanne Cedex (France)2002
AbstractAbstract
[en] In this paper, we develop a consistent extension of RPA for bosonic systems. In order to illustrate the method, we consider the case of the anharmonic oscillator. We compare our results with those obtained in mean-field and standard RPA approaches, with the exact ones and show that they are very close to the exact ones. (authors)
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2002; 16 p; Available from internet at http://documentation.in2p3.fr/publiin2p3/data/PubliDocument33803.pdf; 21 refs., 1 fig.
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