Charge-Exchange Excitations with Skyrme Interactions in a Separable Approximation(Nuclear Physics)

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概要

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• Starting from a Skyrme interaction we propose an extension of the finite rank separable approximation for the case of charge-exchange nuclear modes. This approximation enables one to reduce considerably the dimensions of the matrices that must be diagonalized to perform QRPA calculations in very large configuration spaces. First, we check that the approximation reproduces reasonably well the full charge-exchange RPA results of the spindipole resonances in the nuclei ^<90>Zr and ^<132>Sn. The approach is then applied to the study of the Gamow-Teller and the spin-dipole resonances in the neutron-rich Cd isotopes, within the quasiparticle random phase approximation.

• 2012-09-25

著者

• Van Giai

  Institut De Physique Nucleaire Universite Paris-sud

• Severyukhin Alexey

  Bogoliubov Laboratory Of Theoretical Physics Joint Institute For Nuclear Research

• VORONOV Victor

  Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research

• Van Giai

  Institut De Physique Nucleaire Cnrs-in2p3 And Univ.

• Voronov Victor

  Bogoliubov Laboratory Of Theoretical Physics Joint Institute For Nuclear Research

• VAN GIAI

  Institut de Physique Nucleaire, CNRS-IN2P3 and Univ.

• SEVERYUKHIN Alexey

  Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research

関連論文

• Pairing Correlations in Nuclei Close to the Drip Line
• Charge-Exchange Excitations with Skyrme Interactions in a Separable Approximation(Nuclear Physics)
• Charge-Exchange Excitations with Skyrme Interactions in a Separable Approximation

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