Holographic model for light quarks in anisotropic hot dense QGP with external magnetic field

被引:27
作者
Aref'eva, Irina Ya. [1 ]
Ermakov, Alexey [1 ]
Rannu, Kristina [1 ]
Slepov, Pavel [1 ]
机构
[1] Russian Acad Sci, Steklov Math Inst, Gubkina str 8, Moscow 119991, Russia
来源
EUROPEAN PHYSICAL JOURNAL C | 2023年 / 83卷 / 01期
基金
俄罗斯科学基金会;
关键词
PHASE-TRANSITION; WILSON LOOPS; QCD; THERMALIZATION; DEPENDENCE;
D O I
10.1140/epjc/s10052-022-11166-3
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 present a five-dimensional twice anisotropic holographic model supported by Einstein-dilaton-three-Maxwell action describing light quarks. The first of the Maxwell fields provides finite chemical potential. The second Maxwell field serves for anisotropy, characterizing spatial anisotropy of the QGP produced in heavy-ion collisions (HIC). The third Maxwell field is related to a magnetic field that appears in HIC. The dependence of the 5-dim black hole solution and confinement/deconfinement phase diagram on this magnetic field is considered. The effect of the inverse magnetic catalyses for light quarks phase diagram is obtained. Positions of critical end points are found. We also study the behavior of the conductivity for light quarks in both isotropic and anisotropic cases and show that behaviour of the conductivity near critical points essentially depend on quark masses, meanwhile at high temperature they are similar.
引用
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页数:21
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