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Bao, Tmurbagan; Liu, Guang-Zhou; Zhao, En-Guang; Zhu, Ming-Feng; Bao, T , Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
Self-consistently thermodynamic treatment for strange quark matter in the effective mass bag model
Source PublicationEUROPEAN PHYSICAL JOURNAL A
KeywordDensity-dependent Model Neutron-star Matter Equation-of-state Phase-transitions Nuclear-matter
AbstractIn 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.
2008
ISSN1434-6001
Volume38Issue:3Pages:287-293
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational 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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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5432
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBao, T , Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
Recommended Citation
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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