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Reevaluation of the density dependence of nucleon radius and mass in the global color symmetry model of QCD
Liu, YX; Gao, DF; Zhou, JH; Guo, H; Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
2003
发表期刊NUCLEAR PHYSICS A
ISSN0375-9474
卷号725期号:1页码:127-138
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.
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
关键词Meson Coupling Model Non-topological Solitons Strange Hadronic Matter Bag Constant Quantum Chromodynamics Quark Condensate Confining Model Field-theory Pi Deconfinement
学科领域Physics
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收录类别SCI
WOS记录号WOS:000185125800007
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13222
专题理论物理所1978-2010年知识产出
通讯作者Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
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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.
APA Liu, YX,Gao, DF,Zhou, JH,Guo, H,&Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(2003).Reevaluation of the density dependence of nucleon radius and mass in the global color symmetry model of QCD.NUCLEAR PHYSICS A,725(1),127-138.
MLA Liu, YX,et al."Reevaluation of the density dependence of nucleon radius and mass in the global color symmetry model of QCD".NUCLEAR PHYSICS A 725.1(2003):127-138.
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