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Nucleon effective mass in symmetric nuclear matter from the extended Brueckner- Hartree-Fock approach
  • ISSN号：1674-1137
  • 期刊名称：《中国物理C：英文版》
  • 时间：0
  • 分类：O571.22[理学—粒子物理与原子核物理;理学—物理] X701[环境科学与工程—环境工程]
  • 作者机构：[1]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China, [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China, [3]Department of Physics and Astrophysics, Catania University, Via S~anta Sofia 64, i-95123,and INFN-LNS, Via Santa Sofia 44, 1-95123 Catania, Italy
  • 相关基金：Supported by National Natural Science Foundation of China （11175219,10875151,10740420550）, Major State Basic Research Developing Program of China （2007CB815004）, Knowledge Innovation Project of Chinese Academy of Sciences （KJCX2-EW-N01）, Chinese Academy of Sciences Visiting Professorship for Senior International Scientists （2009J2-26） and CAS/SAFEA International Partnership Program for Creative Research Teams （CXTD-J2005-1）
作者： 甘胜鑫[1,2], 左维[1,2,3], U. Lombardo[3]
关键词： 核子有效质量, HARTREE-FOCK, 对称核物质, 扩展方法, 关联效应, 质量密度, TBF, 质量预测, nucleon effective mass, extended BHF approach, ground state correlations, TBF rearrangementeffect
中文摘要：

We have calculated the nucleon effective mass in symmetric nuclear matter within the framework of the Brueckner-Bethe-Goldstone(BBG) theory,which has been extended to include both the contributions from the ground-state correlation effect and the three-body force(TBF) rearrangement effect.The effective mass is predicted by including the ground-state correlation effect and the TBF rearrangement effect,and we discuss the momentum dependence and the density dependence of the effective mass.It is shown that the effect of ground state correlations plays an important role at low densities,while the TBF-induced rearrangement effect becomes predominant at high densities.

英文摘要：

We have calculated the nucleon effective mass in symmetric nuclear matter within the framework of the Brueckner-Bethe-Goldstone （BBG） theory, which has been extended to include both the contributions from the ground-state correlation effect and the three-body force （TBF） rearrangement effect. The effective mass is predicted by including the ground-state correlation effect and the TBF rearrangement effect, and we discuss the momentum dependence and the density dependence of the effective mass. It is shown that the effect of ground state correlations plays an important role at low densities, while the TBF-induced rearrangement effect becomes predominant at high densities.

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期刊信息
  • 《中国物理C：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院高能物理研究所 中国科学院近代物理研究所
  • 主编：王贻芳
  • 地址：北京市玉泉路19号（乙）
  • 邮编：100049
  • 邮箱：cpc@mail.ihep.ac.cn
  • 电话：010-88235947
  • 国际标准刊号：ISSN：1674-1137
  • 国内统一刊号：ISSN：11-5641/O4
  • 邮发代号:2-522
  • 获奖情况:
  • 2000年获中国科学院优秀期刊评比一等奖,中国期刊方阵“双百”期刊
  • 国内外数据库收录:
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  • 被引量:189