Properties of color-flavor locked matter in a quasiparticle model

被引：8
作者：
Chu, Peng-Cheng [1 ]
Cao, Qian [2 ]
Liu, He [1 ]
Li, Xiao-Hua [3 ,4 ]
Ju, Min [5 ]
Wu, Xu-Hao [6 ]
Zhou, Ying [7 ]
机构：
[1] Qingdao Univ Technol, Res Ctr Theoret Phys, Sci Sch, Qingdao 266033, Peoples R China
[2] Qingdao Univ Technol, Sch Informat & Control Engn, Qingdao 266033, Peoples R China
[3] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China
[4] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Equ, Hengyang 421001, Peoples R China
[5] China Univ Petr East China, Coll Sci, Qingdao 266580, Peoples R China
[6] Yanshan Univ, Sch Sci, Qinhuangdao 066004, Peoples R China
[7] Inner Mongolia Univ, Sch Phys Sci & Technol, Hohhot 010021, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2023年 / 83卷 / 09期
关键词：
STRANGE QUARK MATTER; QCD PHASE-DIAGRAM; EQUATION-OF-STATE; FINITE-TEMPERATURE; MASS; STARS; DENSITY; RADIUS; SUPERCONDUCTIVITY; DECONFINEMENT;
D O I：
10.1140/epjc/s10052-023-12041-5
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We investigate the thermodynamical properties of color-flavor locked (CFL) quark matter at zero temperature, finite temperature, and strong magnetic field by using quasiparticle model. We find that considering CFL quark phase can significantly change the equation of state (EOS) as well as the properties of quark matter in quark stars (QSs) at finite temperature or under magnetic field within quasiparticle model. In particular, our results have shown that we can provide the large QSs within CFL quark phase from quasiparticle model by satisfying both the upper limit of ?(1.4)<800 for the low-spin priors of 1.4 solar mass pulsars from GW170817 and the new estimates of the mass-radius region from PSR J0740 + 6620, PSR J0030 + 0451, HESS J1731-347, and 4U 1702-429, which cannot be obtained by considering the QSs with SQM within quasiparticle model.
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页数：9
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