Quark mass scaling and properties of light-quark matter

被引：10

作者：

Lu, Zhen-Yan ^{[1
]}

Peng, Guang-Xiong ^{[1
,2
,3
]}

Zhang, Shi-Peng ^{[1
]}

Ruggieri, Marco ^{[1
]}

Greco, Vincenzo ^{[4
,5
]}

机构：

[1] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[2] Inst High Energy Phys, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China

[3] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China

[4] Univ Catania, Dept Phys & Astron, Via S Sofia 64, I-95125 Catania, Italy

[5] INFN LNS, Lab Nazl Sud, Via S Sofia 62, I-95123 Catania, Italy

来源：

NUCLEAR SCIENCE AND TECHNIQUES | 2016年 / 27卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Quark matter; Equation of state; Quark mass scaling; EQUATION-OF-STATE; DENSITY-DEPENDENT MODEL; QUASI-PARTICLE MODEL; STRANGE MATTER; GLUON PLASMA; CONFINEMENT; ENERGY; CHARGE; STARS;

D O I：

10.1007/s41365-016-0148-9

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

We study the properties of two-flavor quark matter in the equivparticle model. A new quark mass scaling at finite temperature is proposed and applied to the thermodynamics of two-flavor quark matter. It is found that the perturbative interaction has strong effect on quark matter properties at finite temperature and high density. The pressure at the minimum free energy per baryon is exactly zero. With increasing temperature, the energy per baryon increases, while the free energy per baryon decreases.

引用

页数：6

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