Publications [#322935] of Berndt Mueller

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Papers Published
  1. Yang, DL; Müller, B, Shear viscosities of photons in strongly coupled plasmas, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 760 (September, 2016), pp. 565-570, Elsevier BV [doi] .

    Abstract:
    We investigate the shear viscosity of thermalized photons in the quark gluon plasma (QGP) at weak coupling and N=4 super Yang–Mills plasma (SYMP) at both strong and weak couplings. We find that the shear viscosity due to the photon–parton scattering up to the leading order of electromagnetic coupling is suppressed when the coupling of the QGP/SYMP is increased, which stems from the blue-shift of the thermal-photon spectrum at strong coupling. In addition, the shear viscosity rapidly increases near the deconfinement transition in a phenomenological model analogous to the QGP.

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