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Properties of isospin asymmetric quark matter in quark stars

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成果类型:
期刊论文
作者:
Chu, Peng-Cheng;Li, Xiao-Hua;Liu, He;Ju, Min;Zhou, Ying
通讯作者:
Chu, PC
作者机构:
[Chu, PC; Liu, He; Chu, Peng-Cheng] Qingdao Univ Technol, Res Ctr Theoret Phys, Sci Sch, Qingdao 266033, Peoples R China.
[Li, Xiao-Hua] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
[Li, Xiao-Hua] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Equ, Hengyang 421001, Peoples R China.
[Ju, Min] China Univ Petr East China, Coll Sci, Qingdao 266580, Peoples R China.
[Zhou, Ying] Inner Mongolia Univ, Sch Phys Sci & Technol, Hohhot 010021, Peoples R China.
通讯机构:
[Chu, PC ] Q
Qingdao Univ Technol, Res Ctr Theoret Phys, Sci Sch, Qingdao 266033, Peoples R China.
语种:
英文
期刊:
PHYSICAL REVIEW C
ISSN:
2469-9985
年:
2023
卷:
108
期:
2
页码:
025808
基金类别:
National Natural Sci-ence Foundation of China [11975132, 12205158, 11505100]; Shandong Provin-cial Natural Science Foundation, China [ZR2022JQ04, ZR2021QA037, ZR2019YQ01, ZR2015AQ007]
机构署名:
本校为其他机构
院系归属:
核科学技术学院
摘要:
In this work, we explore the properties of isospin asymmetric quark matter in quark stars (QSs). The isospin chemical potential, the isospin asymmetry, the quark matter symmetry energy, the equation of state (EOS) of strange quark matter (SQM), and the maximum mass of QSs are also studied by using different quark phenomenological models. Our results indicate that the parameter space of the quark phenomenological models for the quark matter symmetry energy and the EOS of the star matter can be reduced by considering the recent mass-radius estimates of PSR J0740 + 6620, PSR J0030 + 0451, 4U 1702...

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