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Correlation energies by the projected generator coordinate method

par Bender, Michaël ;Bertsch, George;Heenen, Paul-Henri
Référence AIP Conference Proceedings, 764, page (268-273)
Publication Publié, 2005-04

Article révisé par les pairs

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Résumé :

The self-consistent mean-field method has been proved to be a powerful computational approach to a quantum theory of nuclear binding energies. This success was possible by including phenomenological corrections for beyond mean-field effects related to fluctuations around the mean-field solution. Starting from the Skyrme mean-field approach, we present a systematic microscopic calculation of the quadrupole correlation energy within a particle-number and angular-momentum projected generator coordinate method. Applying the method to even-even nuclei of known binding energies, we find a significant improvement of the systematics of binding energies near shell closures. © 2005 American Institute of Physics.