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Self-consistently thermodynamic treatment for strange quark matter in the effective mass bag model
Bao, Tmurbagan; Liu, Guang-Zhou; Zhao, En-Guang; Zhu, Ming-Feng; Bao, T , Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
2008
发表期刊EUROPEAN PHYSICAL JOURNAL A
ISSN1434-6001
卷号38期号:3页码:287-293
摘要In the framework of the effective mass bag model (EMBM) we have performed the thermodynamical treatment for strange quark matter (SQM) self-consistently, which overcomes the inconsistencies in the thermodynamical properties of the system. Because of the existence of the pressure extra term, the SQM equation of state (EOS) becomes stiffer comparing with the one for the original EMBM. It is interesting to find that in our treatment the SQM EOS is almost independent of the strong coupling constant g. In this case the SQM EOS seems to get back to the EOS for the original MIT bag model. However, this treatment still has influence on the EOS for hybrid star matter and the corresponding mass-radius relations. With the increase of the strong coupling constant g, the EOS for hybrid star matter gets obviously stiff. From our treatment we notice that the pressure extra term can make a hybrid star more compact than the one described in the original EMBM and this model is more suitable to describe the hybrid stars with small radii.
部门归属[Bao, T; Liu, GZ; Zhu, MF] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China; [Bao, T] Nan Yang Normal Univ, Inst Phys & Elect Engn, Nanyang 473061, Peoples R China; [Zhao, EG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Density-dependent Model Neutron-star Matter Equation-of-state Phase-transitions Nuclear-matter
学科领域Physics
资助者National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054]
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收录类别SCI
资助者National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054] ; National Natural Science Foundation of China[10275029, 10675054]
WOS记录号WOS:000261426400005
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被引频次:7[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/311006/5432
专题理论物理所1978-2010年知识产出
通讯作者Bao, T , Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
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GB/T 7714
Bao, Tmurbagan,Liu, Guang-Zhou,Zhao, En-Guang,et al. Self-consistently thermodynamic treatment for strange quark matter in the effective mass bag model[J]. EUROPEAN PHYSICAL JOURNAL A,2008,38(3):287-293.
APA Bao, Tmurbagan,Liu, Guang-Zhou,Zhao, En-Guang,Zhu, Ming-Feng,&Bao, T , Jilin Univ, Coll Phys, Changchun 130023, Peoples R China.(2008).Self-consistently thermodynamic treatment for strange quark matter in the effective mass bag model.EUROPEAN PHYSICAL JOURNAL A,38(3),287-293.
MLA Bao, Tmurbagan,et al."Self-consistently thermodynamic treatment for strange quark matter in the effective mass bag model".EUROPEAN PHYSICAL JOURNAL A 38.3(2008):287-293.
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