Effects of phonon-phonon coupling on low-lying states in neutron-rich Sn isotopes

Details Effects of phonon-phonon coupling on low-lying states in neutron-rich Sn isotopes Effects of phonon-phonon coupling on low-lying states in neutron-rich Sn isotopes

2004-02-26

arxiv.org/abs/nucl-th/0402096v1

Eur.Phys.J. A22 (2004) 397-403

Physics

Nuclear Physics

Nuclear Theory

18 pages

Scientific paper

10.1140/epja/i2004-10048-2

Starting from an effective Skyrme interaction we present a method to take into account the coupling between one- and two-phonon terms in the wave functions of excited states. The approach is a development of a finite rank separable approximation for the quasiparticle RPA calculations proposed in our previous work. The influence of the phonon-phonon coupling on energies and transition probabilities for the low-lying quadrupole and octupole states in the neutron-rich Sn isotopes is studied.

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