Estimation of transport coefficients of dense hadronic and quark matter*

被引:2
|
作者
Sen, Debashree [1 ]
Alam, Naosad [1 ,2 ]
Ghosh, Sabyasachi [3 ]
机构
[1] Variable Energy Cyclotron Ctr, Phys Grp, 1-AF Bidhan Nagar, Kolkata 700064, India
[2] Tata Inst Fundamental Res, Dept Nucl & Atom Phys, Homi Bhabha Rd, Mumbai 400005, India
[3] Indian Inst Technol Bhilai, GEC Campus, Raipur 492015, Chhattisgarh, India
关键词
transport coefficients; shear viscosity; electrical conductivity; dense matter; ELECTRICAL-CONDUCTIVITY; NUCLEAR-MATTER; COUPLING-CONSTANTS; FINITE-TEMPERATURE; RECENT PROGRESS; STAR PROPERTIES; MAGNETIC-FIELD; NEUTRON-STARS; VISCOSITY; MODEL;
D O I
10.1088/1674-1137/acb992
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
In this study, we calculated transport coefficients including the shear viscosity and electrical conductivity relative to the density of dense hadronic and quark matter. By considering the simple massless limit for the quark matter and two different effective models for the hadronic matter, we estimated the transport coefficients of the two phases separately. Accordingly, density profiles of the transport coefficients were depicted in two parts: the phase-space part and the relaxation time part. From calculating the shear viscosity to density ratio, we also explored the nearly perfect fluid domain of the quark and hadronic matter.
引用
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页数:12
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