Quark mass scaling and properties of light-quark matter

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...

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Bibliographic Details
Published in:Nuclear science and techniques 2016-12, Vol.27 (6), p.43-48, Article 148
Main Authors: Lu, Zhen-Yan, Peng, Guang-Xiong, Zhang, Shi-Peng, Ruggieri, Marco, Greco, Vincenzo
Format: Article
Language:English
Subjects:
Energy
Hadrons
Heavy Ions
Nuclear Energy
Nuclear Physics
夸克物质
夸克质量
最小自由能
有限温度
标度
物质性质
相互作用
轻夸克
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Summary: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.
ISSN:1001-8042
2210-3147
DOI:10.1007/s41365-016-0148-9