Direct photons emission rate and electric conductivity in twice anisotropic QGP holographic model with first-order phase transition

Abstract

The electric conductivity and direct photons emission rate are considered in the holographic theory with two types of anisotropy. The electric conductivity is derived in two different ways, and their equivalence for the twice anisotropic theory is shown. Numerical calculations of the electric conductivity were done for Einstein-dilaton-three-Maxwell holographic model [29]. The dependence of the conductivity on the temperature, the chemical potential, the external magnetic field, and the spatial anisotropy of the heavy-ions collision (HIC) is studied. The electric conductivity jumps near the first-order phase transition are observed. This effect is similar to the jumps of holographic entanglement that were studied previously.

32 pages, 11 figures, 2 tables, v3: typos corrected, refs added

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Cited by in corpus (10)

• Holographic model for light quarks in anisotropic hot dense QGP with external magnetic field
• Entropic force and real-time dynamics of holographic quarkonium in a magnetic field
• Magnetic Catalysis in Holographic Model with Two Types of Anisotropy for Heavy Quarks
• Electric conductivity with the magnetic field and the chiral anomaly in a holographic QCD model
• Running Coupling for Holographic QCD with Heavy and Light Quarks: Isotropic case
• Out-of-equilibrium photon production and electric conductivity in a holographic Bjorken expanding plasma
• Interplay of magnetic field and chemical potential induced anisotropy and frame dependent chaos of a $Q\bar{Q}$ pair in holographic QCD
• Darker and brighter branes: Suppression and enhancement of photon production in a strongly coupled magnetized plasma
• Beta-Functions and RG flows for Holographic QCD with Heavy and Light Quarks: Isotropic case
• Probing Quarkonium Diffusion in a Magnetized Quark-Gluon Plasma