Isovector scalar field effects in asymmetric nuclear matter
文献类型：期刊论文
| 作者 | Liu Bo1,2; Shen Cai-Wan1,3; Di Toro, M.4,5; Zhao En-Guang6 |
| 刊名 | COMMUNICATIONS IN THEORETICAL PHYSICS
 |
| 出版日期 | 2008-01-15 |
| 卷号 | 49页码:199-206 |
| 关键词 | density-dependent relativistic hadron field theory nuclear matter equation of state neutron stars |
| ISSN号 | 0253-6102 |
| 英文摘要 | Density-dependent parametrization models of the nucleon-meson coupling constants, including the isovector scalar delta-field, are applied to asymmetric nuclear matter. The nuclear equation of state (EOS) and the neutron star properties are studied in a relativistic Lagrangian density, using the relativistic mean field (RMF) hadron theory. It is known that the delta-fleld in the constant coupling scheme leads to a larger repulsion in dense neutron-rich matter and to a definite splitting of proton and neutron effective masses, finally influences the stability of the neutron stars. We use density-dependent models of the nucleon-meson couplings to study the properties of neutron star matter and to reexamine the delta-held effects in asymmetric nuclear matter. Our calculation shows that the stability conditions of the neutron star matter can be improved in presence of the delta-meson in the density-dependent models of the coupling constants. The EOS of nuclear matter strongly depends on the density dependence of the interactions. |
| WOS关键词 | NEUTRON-STARS ; EQUATION ; STATE ; FLOW |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000252640100041 |
| 出版者 | INT ACADEMIC PUBLISHERS LTD |
| 源URL | [http://119.78.100.186/handle/113462/29876]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Liu Bo |
| 作者单位 | 1.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 3.Huzhou Teachers Coll, Sch Sci, Huzhou 313000, Peoples R China 4.Lab Nazl Sud, I-95123 Catania, Italy 5.Univ Catania, I-95124 Catania, Italy 6.Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu Bo,Shen Cai-Wan,Di Toro, M.,et al. Isovector scalar field effects in asymmetric nuclear matter[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,49:199-206. |
| APA | Liu Bo,Shen Cai-Wan,Di Toro, M.,&Zhao En-Guang.(2008).Isovector scalar field effects in asymmetric nuclear matter.COMMUNICATIONS IN THEORETICAL PHYSICS,49,199-206. |
| MLA | Liu Bo,et al."Isovector scalar field effects in asymmetric nuclear matter".COMMUNICATIONS IN THEORETICAL PHYSICS 49(2008):199-206. |
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。