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原子核的形状相变
引用本文:穆良柱,刘玉鑫. 原子核的形状相变[J]. 原子核物理评论, 2005, 22(4): 358-366. DOI: 10.11804/NuclPhysRev.22.04.358
作者姓名:穆良柱  刘玉鑫
作者单位:[1]北京大学物理系,北京100871 [2]北京大学重离子物理教育部重点实验室,北京100871 [3]兰州重离子加速器国家实验室原子核理论中心,甘肃兰州730000
基金项目:国家自然科学基金资助项目(10425521,10135030);国家重点基础研究发展规划资助项目(G2000077400);教育部优秀青年教师奖励计划资助项目;教育部博士点基金资助项目(20040001010)
摘    要:简要回顾原子核形状相变研究的现状,并将相干态理论与角动量投影方法相结合,在不区分质子玻色子和中子玻色子的相互作用玻色子模型(IBM-1)框架下,对角动量驱动的轴对称情况下的具有U(5)、SU(3)对称性以及两种对称性之间过渡区的原子核的形状相变进行了具体研究。We review the status of the research of nuclear shape phase transitions in this paper. Meanwhile, by taking the coherent state theory and angular momentum projection method, we study the shape phase transitions of axially symmetric even-even nuclei with U(5) symmetry, SU(3) symmetry and those in the transitional region of the two symmetries in the framework of Interacting Boson Model-1 (IBM-1), which does not distinguish the proton bosons from neutron bosons.

关 键 词:形状相变   相干态理论   角动量投影方法   相互作用玻色子模型
文章编号:1007-4627(2005)04-0358-09
收稿时间:2005-10-21
修稿时间:2005-10-21

Nuclear Shape Phase Transitions
MU Liang-zhu,LIU Yu-xin. Nuclear Shape Phase Transitions[J]. Nuclear Physics Review, 2005, 22(4): 358-366. DOI: 10.11804/NuclPhysRev.22.04.358
Authors:MU Liang-zhu  LIU Yu-xin
Affiliation:1 Department of Physics, Peking University, Beijing 100871, China; 2 The Key Laboratory of Heavy Ion Physics at Peking University, Ministry of Education, Beijing 100871, China; 3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China
Abstract:We review the status of the research of nuclear shape phase transitions in this paper.Meanwhile,by taking the coherent state theory and angular momentum projection method,we study the shape phase transitions of axially symmetric even-even nuclei with U(5) symmetry,SU(3) symmetry and those in the transitional region of the two symmetries in the framework of Interacting Boson Model-1(IBM-1),which does not distinguish the proton bosons from neutron bosons.
Keywords:shape phase transtion   coherent state theory   angular momentum projection methok   interacting boson model
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