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Characteristic feature of self-consistent mean-field in level crossing region
Guo, L; Sakata, F; Zhao, EG; Guo, L , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan, Japan.
2004
发表期刊NUCLEAR PHYSICS A
ISSN0375-9474
卷号740期号:40910页码:59-76
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.
部门归属Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词D-1 Effective Interaction High-spin Nuclear-deformation Coulomb-excitation Shape Coexistence Rotational Bands Model Motion Beam
学科领域Physics
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收录类别SCI
WOS记录号WOS:000222841500004
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14019
专题理论物理所1978-2010年知识产出
通讯作者Guo, L , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan, Japan.
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Guo, L,Sakata, F,Zhao, EG,et al. Characteristic feature of self-consistent mean-field in level crossing region[J]. NUCLEAR PHYSICS A,2004,740(40910):59-76.
APA Guo, L,Sakata, F,Zhao, EG,&Guo, L , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan, Japan..(2004).Characteristic feature of self-consistent mean-field in level crossing region.NUCLEAR PHYSICS A,740(40910),59-76.
MLA Guo, L,et al."Characteristic feature of self-consistent mean-field in level crossing region".NUCLEAR PHYSICS A 740.40910(2004):59-76.
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