Shear viscosity η to electrical conductivity σ el ratio for an anisotropic QGP

We study the transport properties of strongly interacting matter in the context of ultrarelativistic heavy ion collision experiments. We calculate the transport coefficients viz. shear viscosity (η) and electrical conductivity (σel) of the quark gluon plasma phase in the presence of momentum anisotr...

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Bibliographic Details
Published in:Physical review. D 2017-05, Vol.95 (9), Article 096009
Main Authors: Thakur, Lata, Srivastava, P. K., Kadam, Guru Prakash, George, Manu, Mishra, Hiranmaya
Format: Article
Language:English
Subjects:
Anisotropy
Collision dynamics
Electrical resistivity
Heavy ions
Ionic collisions
Kinetic equations
Mathematical models
Quark-gluon plasma
Relaxation time
Shear viscosity
Transport properties
Viscosity
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Summary:We study the transport properties of strongly interacting matter in the context of ultrarelativistic heavy ion collision experiments. We calculate the transport coefficients viz. shear viscosity (η) and electrical conductivity (σel) of the quark gluon plasma phase in the presence of momentum anisotropy arising from different expansion rates of the medium in longitudinal and transverse direction. We solve the relativistic Boltzmann kinetic equation in relaxation time approximation to calculate the shear viscosity and electrical conductivity. The calculation are performed within the quasiparticle model to estimate these transport coefficients and discuss the connection between them. We also compare the electrical conductivity results calculated from the quasiparticle model with the ideal case. We compare our results with the corresponding results obtained in different lattice as well as model calculations.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.95.096009