Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model

doi:10.1103/PhysRevC.67.044304

	Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model
	Shu, J ; Ran, Y ; Ji, T ; Liu, YX
刊名	PHYSICAL REVIEW C
	2003-04-01
卷号	67 页码:14
ISSN号	0556-2813
DOI	10.1103/PhysRevC.67.044304
英文摘要	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.
WOS关键词	LYING COLLECTIVE STATES ; EVEN-EVEN NUCLEI ; ROTATION-VIBRATION SPECTRA ; PARTIAL DYNAMICAL SYMMETRY ; CRITICAL-POINT ; QUANTUM NONINTEGRABILITY ; CLASSICAL LIMIT ; CHAOS ; BREAKING ; APPROXIMATION
WOS研究方向	Physics
语种	英语
出版者	AMERICAN PHYSICAL SOC
WOS记录号	WOS:000182727600022
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/38435]
专题	中国科学院近代物理研究所
通讯作者	Liu, YX
作者单位	1.Peking Univ, Dept Phys, Beijing 100871, Peoples R China 2.Peking Univ, Chinese Minist Educ, Beijing 100871, Peoples R China 3.Peking Univ, Key Lab Heavy Ion Phys, Beijing 100871, Peoples R China 4.Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China 5.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
推荐引用方式 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,2003,67:14.
APA	Shu, J,Ran, Y,Ji, T,&Liu, YX.(2003).Energy level statistics of the U(5) and O(6) symmetries in the interacting boson model.PHYSICAL REVIEW C,67,14.
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(2003):14.