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Low-lying states and separabelized Skyrme interactions |
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| Authors: | A. P. Severyukhin V. V. Voronov Ch. Stoyanov N. Van Giai |
| Affiliation: | (1) Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia;(2) Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria;(3) Institut de Physique Nucléaire, Université Paris Sud, Orsay, France |
| Abstract: | A finite-rank separable approximation for the quasiparticle RPA calculations with Skyrme interactions that was proposed in our previous work is extended to take into account the coupling between one-and two-phonon terms in the wave functions of excited states. It is shown that the phonon-phonon coupling effect can be very important to reproduce experimental data. |
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