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Shear Viscosity of Quark Matter

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arxiv 0707.4442 v1 pith:AXHV6FGQ submitted 2007-07-30 hep-ph

W.M. Alberico , S. Chiacchiera , H. Hansen , A. Molinari , M. Nardi This is my paper · ORCID
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keywords quarkviscositydensityentropyself-energysheartemperatureabove
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We consider the shear viscosity of a system of quarks and its ratio to the entropy density above the critical temperature for deconfinement. Both quantities are derived and computed for different modeling of the quark self-energy, also allowing for a temperature dependence of the effective mass and width. The behaviour of the viscosity and the entropy density is argued in terms of the strength of the coupling and of the main characteristics of the quark self-energy. A comparison with existing results is also discussed.

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  1. Effect of chiral imbalance on the electrical conductivity of hot and dense quark matter using Green-Kubo Method within the 2-flavour gauged NJL model

    hep-ph 2024-11 conditional novelty 5.0 of 10

    Electrical conductivity to temperature ratio in quark matter decreases with increasing chiral chemical potential in the NJL model, most strongly at low temperature.

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