Out-of-equilibrium photon production and electric conductivity in a holographic Bjorken expanding plasma
arXiv:2211.10372 · doi:10.1103/PhysRevD.107.046017
Abstract
We analytically compute the out-of-equilibrium direct photon production rate and electric conductivity, in a strongly coupled and expanding Bjorken plasma, from holography. Our results are valid at late times where the expanding plasma asymptotes Bjorken hydrodynamics. The out-of-equilibrium rates are substantially harder and larger, early on in the Bjorken expansion phase.
arXiv comment10+1 pages, 4 figures, matches version to appear in PRD
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