Knowledge Management System of Institute of Theoretical Physics, CAS
Chang, L; Liu, YX; Guo, H; Liu, YX , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China. | |
Density dependence of nucleon radius and mass in the global color symmetry model of QCD with a sophisticated effective gluon propagator | |
发表期刊 | NUCLEAR PHYSICS A
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关键词 | Meson Coupling Model Non-topological Solitons Strange Hadronic Matter Bag Constant Quark Condensate Confining Model Field-theory Deconfinement Parameters Pi |
摘要 | Making use of the global color symmetry model (GCM) at finite chemical potential and with a sophisticated effective gluon propagator, the density dependence of the bag constant, the total energy and the radius of a nucleon in nuclear matter is investigated. A maximal nuclear matter density for the existence of the bag with three quarks confined within is given as about 8 times the normal nuclear matter density. 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, with the increasing of the nuclear matter density. As the maximal nuclear matter density is reached, the mass and the bag constant of the nucleon vanish and the radius becomes infinite suddenly. It manifests that a phase transition from nucleons to quarks takes place. Meanwhile, shortening the interaction range among quarks can induce the phase transition to happen easier. (c) 2005 Elsevier B.V. All rights reserved. |
2005 | |
ISSN | 0375-9474 |
卷号 | 750期号:40943页码:324-336 |
学科领域 | Physics |
收录类别 | SCI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/13843 |
专题 | 理论物理所科研产出_SCI论文 |
通讯作者 | Liu, YX , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China. |
推荐引用方式 GB/T 7714 | Chang, L,Liu, YX,Guo, H,et al. Density dependence of nucleon radius and mass in the global color symmetry model of QCD with a sophisticated effective gluon propagator[J]. NUCLEAR PHYSICS A,2005,750(40943):324-336. |
APA | Chang, L,Liu, YX,Guo, H,&Liu, YX , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(2005).Density dependence of nucleon radius and mass in the global color symmetry model of QCD with a sophisticated effective gluon propagator.NUCLEAR PHYSICS A,750(40943),324-336. |
MLA | Chang, L,et al."Density dependence of nucleon radius and mass in the global color symmetry model of QCD with a sophisticated effective gluon propagator".NUCLEAR PHYSICS A 750.40943(2005):324-336. |
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