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Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model
Shu, J; Ran, Y; Ji, T; Liu, YX; Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
2003
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号67期号:4页码:-
摘要We study the energy level statistics of the states in U(5) and O(6) dynamical symmetries of the interacting boson model and the high spin states with backbending in U(5) symmetry. In the calculations, the degeneracy resulting from the additional quantum number is eliminated manually. The calculated results indicate that the finite boson number N effect is prominent. When N has a value close to a realistic one, increasing the interaction strength of subgroup O(5) makes the statistics vary from Poisson type to Gaussian orthogonal ensemble type and further recover to Poisson type. However, in the case of N-->infinity, they all tend to be Poisson type. The fluctuation property of the energy levels with backbending in high spin states in U(5) symmetry involves a signal of shape-phase transition between spherical vibration and axial rotation.
部门归属Peking Univ, Dept Phys, Beijing 100871, Peoples R China; Peking Univ, Chinese Minist Educ, Beijing 100871, Peoples R China; Peking Univ, Key Lab Heavy Ion Phys, Beijing 100871, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
关键词Lying Collective States Even-even Nuclei Rotation-vibration Spectra Partial Dynamical Symmetry Critical-point Quantum Nonintegrability Classical Limit Chaos Breaking Approximation
学科领域Physics
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收录类别SCI
WOS记录号WOS:000182727600022
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被引频次:11[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/311006/13332
专题理论物理所1978-2010年知识产出
通讯作者Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
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GB/T 7714
Shu, J,Ran, Y,Ji, T,et al. Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model[J]. PHYSICAL REVIEW C,2003,67(4):-.
APA Shu, J,Ran, Y,Ji, T,Liu, YX,&Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(2003).Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model.PHYSICAL REVIEW C,67(4),-.
MLA Shu, J,et al."Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model".PHYSICAL REVIEW C 67.4(2003):-.
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