A generalized McLerran-Toimela formula expresses the photon emission-absorption balance in a rotating plasma through the photon polarization tensor, yielding a one-loop soft-photon enhancement and superradiance for modes with energy below mΩ.
Electromagnetic response of quark-gluon plasma in heavy-ion collisions
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We study the electromagnetic response of the quark-gluon plasma in AA-collisions at RHIC and LHC energies for a realistic space-time evolution of the plasma fireball. We demonstrate that for a realistic electric conductivity the electromagnetic response of the plasma is in a quantum regime when the induced electric current does not generate a classical electromagnetic field, and can only lead to a rare emission of single photons.
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Photon emission from rotating plasmas: a generalized McLerran-Toimela formula and the onset of superradiance
A generalized McLerran-Toimela formula expresses the photon emission-absorption balance in a rotating plasma through the photon polarization tensor, yielding a one-loop soft-photon enhancement and superradiance for modes with energy below mΩ.