Electrical Conductivity of the Quark-Gluon Plasma Across the Deconfinement Transition

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): 172001. ISSN 0031-9007, 1079-7114

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Abstract

A lattice calculation is presented for the electrical conductivity sigma of the QCD plasma with 2 + 1 dynamical flavors at nonzero temperature. We employ the conserved lattice current on anisotropic lattices using a tadpole-improved clover action and study the behavior 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. We find an increase of sigma/T across the transition.

Item Type: Article
Uncontrolled Keywords: MAXIMUM-ENTROPY ANALYSIS; LATTICE QCD; SPECTRAL FUNCTIONS; CONTINUUM;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 27 Mar 2020 09:02
Last Modified: 27 Mar 2020 09:02
URI: https://pred.uni-regensburg.de/id/eprint/15833

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