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Shear viscosity of the Quark–Gluon Plasma from a virial expansion
European Physical Journal C: Particles and Fields
We calculate the shear viscosity η in the quark-gluon plasma (QGP) phase within a virial expansion approach with particular interest in the ratio of η to the entropy density s, i.e. η/s. The virial expansion approach allows us to include the interactions between the partons in the deconfined phase and to evaluate the corrections to a single-particle partition function. In the latter approach we start with an effective interaction with parameters fixed to reproduce thermodynamical quantities ofdoi:10.1140/epjc/s10052-010-1459-3 fatcat:hghotrql7jfctgylx6uqgxzk5m