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题名: Self-consistently thermodynamic treatment for strange quark matter in the effective mass bag model
作者: Bao, Tmurbagan ;  Liu, Guang-Zhou ;  Zhao, En-Guang ;  Zhu, Ming-Feng
刊名: EUROPEAN PHYSICAL JOURNAL A
出版日期: 2008
卷号: 38, 期号:3, 页码:287-293
关键词: DENSITY-DEPENDENT MODEL ;  NEUTRON-STAR MATTER ;  EQUATION-OF-STATE ;  PHASE-TRANSITIONS ;  NUCLEAR-MATTER
学科分类: Physics
通讯作者: Bao, T , Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
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
英文摘要: 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.
资助者: National Natural Science Foundation of China[10275029, 10675054]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000261426400005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5432
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:
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.
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