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题名: Simultaneous quadrupole and octupole shape phase transitions in Thorium
作者: Li, ZP ;  Song, BY ;  Yao, JM ;  Vretenar, D ;  Meng, J
刊名: PHYSICS LETTERS B
出版日期: 2013
卷号: 726, 期号:4-5, 页码:866-869
关键词: HARTREE-BOGOLIUBOV THEORY ;  ATOMIC-NUCLEI ;  CRITICAL-POINT ;  EVOLUTION
学科分类: Physics
通讯作者: Meng, J (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.
部门归属: [Li, Z. P.; Song, B. Y.; Yao, J. M.] Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China; [Vretenar, D.] Univ Zagreb, Fac Sci, Dept Phys, Zagreb 10000, Croatia; [Vretenar, D.] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Meng, J.] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China; [Meng, J.] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China; [Meng, J.] Univ Stellenbosch, Dept Phys, ZA-7600 Stellenbosch, South Africa
英文摘要: The evolution of quadrupole and octupole shapes in Th isotopes is studied in the framework of nuclear Density Functional Theory. Constrained energy maps and observables calculated with microscopic collective Hamiltonians indicate the occurrence of a simultaneous quantum shape phase transition between spherical and quadrupole-deformed prolate shapes, and between non-octupole and octupole-deformed shapes, as functions of the neutron number. The nucleus Th-224 is closest to the critical point of a double phase transition. A microscopic mechanism of this phenomenon is discussed in terms of the evolution of single-nucleon orbitals with deformation. (C) 2013 Elsevier B.V. All rights reserved.
资助者: Major State 973 Program [2013CB834400]; NSFC [11335002, 11175002, 11105110, 11105111]; Research Fund for the Doctoral Program of Higher Education [20110001110087]; Natural Science Foundation of Chongqing [cstc2011jjA0376]; Fundamental Research Funds for the Central Universities [XDJK2010B007, XDJK2011B002]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000327907000044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15244
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Li, ZP,Song, BY,Yao, JM,et al. Simultaneous quadrupole and octupole shape phase transitions in Thorium[J]. PHYSICS LETTERS B,2013,726(4-5):866-869.
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