Shape phase transitions in nuclei: Effective order parameters and trajectories
文献类型：期刊论文
| 作者 | Zhang Yu1,2,3; Hou ZhanFeng1,2; Liu YuXin1,2,4 |
| 刊名 | SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
 |
| 出版日期 | 2011-08-01 |
| 卷号 | 54页码:S88-S97 |
| 关键词 | nuclear shape phase transition interacting boson model effective order parameter finite particle number effect transition trajectory |
| ISSN号 | 1674-7348 |
| DOI | 10.1007/s11433-011-4426-6 |
| 英文摘要 | We analyze systematically the effective order parameters in nuclear shape phase transition both in experiments and in the interacting boson model. We find that energy ratios and B(E2) ratios can distinguish the first-from the second-order phase transition in theory above a certain boson number N (about 50), but in experiments, only those quantities, such as E(L-1(+))/E(0(2)(+)) and B(E2; (L + 2)(1) -> L-1)/B(E-2; 2(1) -> 0(1)), etc., of which the monotonous transitional behavior in the second-order phase transition is broken in the first-order phase transition independent of N, are qualified as the effective order parameters. By implementing the originally proposed effective order parameters and the new ones, we find that the isotones with neutron number N-n = 62 are a trajectory of the second-order phase transition. In addition, we predict that the transitional behavior of isomer shifts of Xe, Ba isotopes and N-n = 62 isotones is approximately monotonous due to the finiteness of nuclear system. |
| WOS关键词 | INTERACTING-BOSON MODEL ; DATA SHEETS ; CLASSICAL LIMIT ; ATOMIC-NUCLEI ; SYMMETRY ; POINT ; TRIAXIALITY ; FRAMEWORK ; EVOLUTION ; ISOTOPES |
| 资助项目 | National Natural Science Foundation of China[10425521] ; National Natural Science Foundation of China[10935001] ; National Natural Science Foundation of China[11005056] ; National Natural Science Foundation of China[11075052] ; Major State Basic Research Development Program[G2007CB815000] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000302529300015 |
| 出版者 | SCIENCE PRESS |
| 资助机构 | National Natural Science Foundation of China ; Major State Basic Research Development Program |
| 源URL | [http://119.78.100.186/handle/113462/34803]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Liu YuXin |
| 作者单位 | 1.Peking Univ, Dept Phys, Beijing 100871, Peoples R China 2.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China 3.Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China 4.Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 720000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang Yu,Hou ZhanFeng,Liu YuXin. Shape phase transitions in nuclei: Effective order parameters and trajectories[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2011,54:S88-S97. |
| APA | Zhang Yu,Hou ZhanFeng,&Liu YuXin.(2011).Shape phase transitions in nuclei: Effective order parameters and trajectories.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,54,S88-S97. |
| MLA | Zhang Yu,et al."Shape phase transitions in nuclei: Effective order parameters and trajectories".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 54(2011):S88-S97. |
入库方式： OAI收割
来源：近代物理研究所
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