Quark matter in the perturbation QCD model with a rapidly convergent matching-invariant running coupling

被引：4
作者：
Xu, Jian-Feng [1 ,2 ]
Luo, Yan-An [1 ]
Li, Lei [1 ]
Peng, Guang-Xiong [2 ,3 ]
机构：
[1] Nankai Univ, Sch Phys, 94 Weijin Rd, Tianjin 300071, Peoples R China
[2] Univ Chinese Acad Sci, Sch Phys, 380 Huaibeizhen, Beijing 101408, Peoples R China
[3] Inst High Energy Phys, Theoret Phys Ctr Sci Facil, 19B Yuquan Rd, Beijing 100049, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS E | 2017年 / 26卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Quark matter; perturbation model; running strong coupling; EQUATION-OF-STATE; GAUGE VECTOR-MESONS; FINITE-TEMPERATURE; GROUND-STATE; PHASE-TRANSITION; DENSITY; FERMIONS; ENERGY; BEHAVIOR; POINT;
D O I：
10.1142/S0218301317500343
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The properties of dense quark matter are investigated in the perturbation theory with a rapidly convergent matching-invariant running coupling. The fast convergence is mainly due to the resummation of an infinite number of known logarithmic terms in a compact form. The only parameter in this model, the ratio of the renormalization subtraction point to the chemical potential, is restricted to be about 2.64 according to the Witten-Bodmer conjecture, which gives the maximum mass and the biggest radius of quark stars to be, respectively, two times the solar mass and 11.7 km.
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页数：20
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