Deconfinement phase Transition including perturbative QCD corrections in (proto)neutron star matter

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	Deconfinement phase Transition including perturbative QCD corrections in (proto)neutron star matter
	Gu Jian-Fa 2,4; Guo Hua 1,2,4; Lee Xi-Guo 1,3; Liu Yu-Xin 1,2,4; Xu Fu-Rong 1,2,4
刊名	COMMUNICATIONS IN THEORETICAL PHYSICS
	2008-02-01
卷号	49 期号:2 页码:461-466
关键词	deconfinement phase transition neutrino trapping neutron star matter
ISSN号	0253-6102
英文摘要	Deconfinement phase transition and neutrino trapping in (proto)neutron star matter are investigated in a chiral hadronic model (also referred to as the FST model) for the hadronic phase (HP) and in the color-flavor-locked (CFL) quark model for the deconfined quark phase. We include a perturbative QCD correction parameter alpha(s) in the CFL quark matter equation of states. It is shown that the CFL quark core with K-0 condensation forms in neutron star matter with the large value of alpha(s). If the small value of alpha(s) is taken, hyperons suppress the CFL quark phase and the HP is dominant in the high-density region of (proto)neutron star matter. Neutrino trapping makes the fraction of the CFL quark matter decrease compared with those without neutrino trapping. Moreover, increasing the QCD correction parameter alpha(s) or decreasing the bag constant B and the strange quark mass m(s) can make the fraction of the CFL quark matter increase, simultaneously, the fraction of neutrino in protoneutron star matter increases, too. The maximum masses and the corresponding radii of (proto)neutron stars are not sensitive to the QCD correction parameter alpha(s).
WOS关键词	GAUGE VECTOR-MESONS ; FINITE TEMPERATURE ; NEUTRON-STARS ; QUARK MATTER ; DENSITY ; NUCLEI ; FERMIONS ; ENERGY ; GAS
WOS研究方向	Physics
语种	英语
出版者	INT ACADEMIC PUBLISHERS LTD
WOS记录号	WOS:000253447100043
公开日期	2010-10-29
内容类型	期刊论文
源URL	[http://ir.imp.cas.cn/handle/113462/5795]
专题	近代物理研究所_近代物理研究所知识存储（2010之前）
通讯作者	Gu Jian-Fa
作者单位	1.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China 2.Peking Univ, MOE Lab Heavy Ion Phys, Beijing 100871, Peoples R China 3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 4.Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Gu Jian-Fa,Guo Hua,Lee Xi-Guo,et al. Deconfinement phase Transition including perturbative QCD corrections in (proto)neutron star matter[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,49(2):461-466.
APA	Gu Jian-Fa,Guo Hua,Lee Xi-Guo,Liu Yu-Xin,&Xu Fu-Rong.(2008).Deconfinement phase Transition including perturbative QCD corrections in (proto)neutron star matter.COMMUNICATIONS IN THEORETICAL PHYSICS,49(2),461-466.
MLA	Gu Jian-Fa,et al."Deconfinement phase Transition including perturbative QCD corrections in (proto)neutron star matter".COMMUNICATIONS IN THEORETICAL PHYSICS 49.2(2008):461-466.