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题名: Characteristic feature of self-consistent mean-field in level crossing region
作者: Guo, L ;  Sakata, F ;  Zhao, EG
刊名: NUCLEAR PHYSICS A
出版日期: 2004
卷号: 740, 期号:40910, 页码:59-76
关键词: D-1 EFFECTIVE INTERACTION ;  HIGH-SPIN ;  NUCLEAR-DEFORMATION ;  COULOMB-EXCITATION ;  SHAPE COEXISTENCE ;  ROTATIONAL BANDS ;  MODEL ;  MOTION ;  BEAM
学科分类: Physics
通讯作者: Guo, L , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan, Japan.
部门归属: Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: A shape change of the self-consistent mean-field induced by a configuration change is discussed within the conventional constrained Hartree-Fock (CHF) theory. It is stressed that a single-particle level crossing dynamics should be treated carefully, because the shape of the mean-field in such a finite many-body system as the nucleus strongly changes depending on its configuration. This situation is clearly shown by applying an adiabatic assumption, where the most energetically favorable single-particle states are assumed to be occupied. The excited HF states and the continuously-connected potential energy curves are given by applying the configuration dictated CHF method. The effect of pairing correlation is discussed in the level crossing region. Triaxial deformed results in our Hartree-Fock-Bogoliubov (HFB) calculation with Gogny force nicely reproduce the available experimental data of Ge isotopes. From our numerical calculation, it is concluded that the CHFB state is more fragile than the CHF state in the level crossing region. (C) 2004 Elsevier B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000222841500004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14019
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Guo, L,Sakata, F,Zhao, EG. Characteristic feature of self-consistent mean-field in level crossing region[J]. NUCLEAR PHYSICS A,2004,740(40910):59-76.
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