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题名: Microscopic analysis of the octupole phase transition in Th isotopes
作者: Nomura, K ;  Vretenar, D ;  Lu, BN
刊名: PHYSICAL REVIEW C
出版日期: 2013
卷号: 88, 期号:2, 页码:21303
关键词: INTERACTING BOSON MODEL ;  NUCLEAR-STRUCTURE ;  ATOMIC-NUCLEI ;  STATES
学科分类: Physics
通讯作者: Nomura, K (reprint author), Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany.
部门归属: [Nomura, K.] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany; [Nomura, K.; Vretenar, D.; Lu, B. -N.] Univ Zagreb, Fac Sci, Dept Phys, Zagreb 10000, Croatia; [Lu, B. -N.] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: A shape phase transition between stable octupole deformation and octupole vibrations in Th nuclei is analyzed in a microscopic framework based on nuclear density functional theory. The relativistic density dependent point coupling (DD-PC1) functional is used to calculate axially symmetric quadrupole-octupole constrained energy surfaces. Observables related to order parameters are computed using an interacting-boson Hamiltonian, with parameters determined by mapping the microscopic energy surfaces to the expectation value of the Hamiltonian in the boson condensate. The systematics of constrained energy surfaces and low-energy excitation spectra point to the occurrence of a phase transition between octupole-deformed shapes and shapes characterized by octupole-soft potentials.
资助者: JSPS
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000323330300001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15296
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Nomura, K,Vretenar, D,Lu, BN. Microscopic analysis of the octupole phase transition in Th isotopes[J]. PHYSICAL REVIEW C,2013,88(2):21303.
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