Self-consistent calculations within the quasiparticle time blocking approximation with exact account taken of the single-particle continuum期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Self-consistent calculations within the quasiparticle time blocking approximation with exact account taken of the single-particle continuum

Authors:	A. V. Avdeenkov F. Grümmer S. P. Kamerdzhiev S. Krewald N. A. Lyutorovich V. I. Tselyaev J. Speth

Affiliation:	(1) Skobel’tsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia;(2) Institut für Kernphysik, Forschungszentrum Jülich, 52425, Jülich, Germany;(3) Institute of Physics and Power Engineering, 249020 Obninsk, Russia;(4) Fok Institute of Physics, St. Petersburg State University, St. Petersburg, Russia;(5) Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland

Abstract:	A self-consistent version of the model based on the method of Green’s functions which takes into account conventional phonons of the random phase approximation, complex configurations like 2 quasiparticles?phonon ones, and exact single-particle continuum is used to describe many discrete natural-parity states and giant resonances in the ¹²³Sn and ²⁰⁸Pb nuclei. The quasiparticle-phonon interaction is shown to be important not only for low-lying and high-lying collective states but also for low-lying noncollective states.

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