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Holographic model for light quarks in anisotropic hot dense QGP with external magnetic field
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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.
Forward citations
Cited by 4 Pith papers
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Quantization Rules in Holographic QCD Models
A generalized WKB/Bohr-Sommerfeld quantization rule is derived for holographic QCD potentials with an infinite boundary barrier and applied to scalar and vector fields in the soft-wall model, matching shooting-method ...
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Interplay of magnetic field and chemical potential induced anisotropy and frame dependent chaos of a $Q\bar{Q}$ pair in holographic QCD
In a holographic QCD model, chaotic string dynamics appear only for unstable configurations near the horizon, and magnetic field and chemical potential affect chaos oppositely in string and Einstein frames.
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Schwinger Effect in a Twice Anisotropic Holographic Model
In a twice anisotropic holographic QCD model, magnetic anisotropy lowers the Schwinger pair-production barrier while spatial anisotropy raises it.
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Phase Diagram Magnetic Features of Holographic Anisotropic Model for $z^4$-term Heavy Quarks
The z^4 anisotropic holographic heavy-quark model exhibits direct magnetic catalysis in both its first-order phase transition and its temporal-Wilson-loop crossover, and the string tension weakens sharply with magnetic field.
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