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题名: Reevaluation of the density dependence of nucleon radius and mass in the global color symmetry model of QCD
作者: Liu, YX ;  Gao, DF ;  Zhou, JH ;  Guo, H
刊名: NUCLEAR PHYSICS A
出版日期: 2003
卷号: 725, 期号:1, 页码:127-138
关键词: MESON COUPLING MODEL ;  NON-TOPOLOGICAL SOLITONS ;  STRANGE HADRONIC MATTER ;  BAG CONSTANT ;  QUANTUM CHROMODYNAMICS ;  QUARK CONDENSATE ;  CONFINING MODEL ;  FIELD-THEORY ;  PI ;  DECONFINEMENT
学科分类: Physics
通讯作者: Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Dept Phys, Beijing 100871, Peoples R China; Peking Univ, Dept Tech Phys, Minist Educ, Key Lab Heavy Ion Phys, Beijing 100871, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
英文摘要: With the global color symmetry model (GCM) at finite chemical potential, the density dependence of the bag constant, the total energy and the radius of a nucleon in nuclear matter is investigated. A relation between the nuclear matter density and the chemical potential with the action of QCD being taken into account is obtained. A maximal nuclear matter density for the existence of the bag with three quarks confined within is given. The calculated results indicate that, before the maximal density is reached, the bag constant and the total energy of a nucleon decrease, and the radius of a nucleon increases slowly, with the increasing of the nuclear matter density. As the maximal nuclear matter density is reached, the mass of the nucleon vanishes and the radius becomes infinite suddenly. It manifests that a phase transition from nucleons to quarks takes place. (C) 2003 Elsevier B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000185125800007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13222
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Liu, YX,Gao, DF,Zhou, JH,et al. Reevaluation of the density dependence of nucleon radius and mass in the global color symmetry model of QCD[J]. NUCLEAR PHYSICS A,2003,725(1):127-138.
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