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Liu, YX; Gao, DF; Guo, H; Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
Density dependence of nucleon bag constant, radius and mass in an effective field theory model of QCD
发表期刊NUCLEAR PHYSICS A
关键词Meson Coupling Model Non-topological Solitons Strange Hadronic Matter Color Symmetry Model Finite-temperature Quark Condensate Confining Model Deconfinement Parameters
摘要With the global color symmetry model (GCM) being extended to finite chemical potential, the density dependence of the bag constant, the total energy and the radius of a nucleon, as well as the quark condensate in nuclear matter are investigated. A maximal nuclear matter density for the existence of the bag with three quarks confined within is obtained. The calculated results indicate that, before the maximal density is reached, the bag constant, the total energy of a nucleon and the quark condensate decrease gradually, and the radius of a nucleon increases, with the increasing of the nuclear matter density. Nevertheless no sudden change emerges. As the maximal nuclear matter density is reached, a phase transition from nucleons to quarks takes place and the chiral symmetry is restored. (C) 2001 Elsevier Science B.V. All rights reserved.
2001
ISSN0375-9474
卷号695期号:1页码:353-364
学科领域Physics
收录类别SCI
引用统计
被引频次:43[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/311006/13627
专题理论物理所科研产出_SCI论文
通讯作者Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
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GB/T 7714
Liu, YX,Gao, DF,Guo, H,et al. Density dependence of nucleon bag constant, radius and mass in an effective field theory model of QCD[J]. NUCLEAR PHYSICS A,2001,695(1):353-364.
APA Liu, YX,Gao, DF,Guo, H,&Liu, YX , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(2001).Density dependence of nucleon bag constant, radius and mass in an effective field theory model of QCD.NUCLEAR PHYSICS A,695(1),353-364.
MLA Liu, YX,et al."Density dependence of nucleon bag constant, radius and mass in an effective field theory model of QCD".NUCLEAR PHYSICS A 695.1(2001):353-364.
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