Improved BCS-type pairing for the relativistic mean-field theory
文献类型：期刊论文
| 作者 | Ma, Zhongyu; Zhang, Hongfei; Im, Soojae; Li, Junqing; Zuo, Wei; Chen, Boqiu; Scheid, W. |
| 刊名 | EUROPEAN PHYSICAL JOURNAL A
 |
| 出版日期 | 2006-12-01 |
| 卷号 | 30期号:3页码:519-529 |
| ISSN号 | 1434-6001 |
| DOI | 10.1140/epja/i2006-10147-0 |
| 英文摘要 | A density-dependent delta interaction (DDDI) is proposed in the formalism of BCS-type pairing correlations for exotic nuclei whose Fermi surfaces are close to the threshold of the unbound state. It provides the possibility to pick up those states whose wave functions are concentrated in the nuclear region by making the pairing matrix elements state dependent. On this basis, the energy level distributions, occupations, and ground-state properties are self-consistently studied in the RMF theory with deformation. Calculations are performed for the Sr isotopic chain. A good description of the total energy per nucleon, deformations, two-neutron separation energies and isotope shift from the proton drip line to the neutron drip line is found. Especially, by comparing the single-particle structure from the DDDI pairing interaction with that from the constant pairing interaction for a very neutron-rich nucleus it is demonstrated that the DDDI pairing method improves the treatment of the pairing in the continuum. |
| WOS关键词 | GROUND-STATE PROPERTIES ; AXIALLY DEFORMED-NUCLEI ; HARTREE-FOCK APPROACH ; FINITE NUCLEI ; SUPERHEAVY NUCLEI ; EXOTIC NUCLEI ; ISOTOPES ; SURFACE ; MATTER |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000243142200005 |
| 出版者 | SPRINGER |
| 公开日期 | 2010-10-29 |
| 源URL | [http://ir.imp.cas.cn/handle/113462/6091]  |
| 专题 | 近代物理研究所_近代物理研究所知识存储（2010之前） |
| 通讯作者 | Zhang, Hongfei |
| 作者单位 | 1.Lab Heavy Ion Accelerator Lanzhou, Res Ctr Nucl Theory, Lanzhou 730000, Peoples R China 2.Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany 3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 4.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China 5.China Inst Atom Energy, Beijing 102413, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ma, Zhongyu,Zhang, Hongfei,Im, Soojae,et al. Improved BCS-type pairing for the relativistic mean-field theory[J]. EUROPEAN PHYSICAL JOURNAL A,2006,30(3):519-529. |
| APA | Ma, Zhongyu.,Zhang, Hongfei.,Im, Soojae.,Li, Junqing.,Zuo, Wei.,...&Scheid, W..(2006).Improved BCS-type pairing for the relativistic mean-field theory.EUROPEAN PHYSICAL JOURNAL A,30(3),519-529. |
| MLA | Ma, Zhongyu,et al."Improved BCS-type pairing for the relativistic mean-field theory".EUROPEAN PHYSICAL JOURNAL A 30.3(2006):519-529. |
入库方式： OAI收割
来源：近代物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。