Amato, Alessandro and Aarts, Gert and Allton, Chris and Giudice, Pietro and Hands, Simon and Skullerud, Jon-Ivar
(2013)
Electrical conductivity of the quark-gluon plasma across the deconfinement transition.
Physical Review Letters, 111 (17).
p. 172001.
ISSN 1079-7114
Abstract
A lattice calculation is presented for the electrical conductivity of the QCD plasma with 2 + 1
dynamical flavours at nonzero temperature. We employ the conserved lattice current on anisotropic
lattices using a tadpole-improved clover action and study the behaviour of the conductivity over a
wide range of temperatures, both below and above the deconfining transition. The conductivity is
extracted from a spectral-function analysis using the Maximal Entropy Method, and a discussion of
its systematics is provided.
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