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Transport coefficients in large Nf gauge theories with massive fermions

Gert Aarts Orcid Logo, Jose M Martinez Resco

Journal of High Energy Physics, Volume: "0503", Issue: 03, Pages: 074 - 074

Swansea University Author: Gert Aarts Orcid Logo

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Abstract

We compute the shear viscosity and the electrical conductivity in gauge theories with massive fermions at leading order in the large N_f expansion. The calculation is organized using the 1/N_f expansion of the 2PI effective action to next-to-leading order. We show explicitly that the calculation is...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: 2005
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URI: https://cronfa.swan.ac.uk/Record/cronfa22603
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Abstract: We compute the shear viscosity and the electrical conductivity in gauge theories with massive fermions at leading order in the large N_f expansion. The calculation is organized using the 1/N_f expansion of the 2PI effective action to next-to-leading order. We show explicitly that the calculation is gauge fixing independent and consistent with the Ward identity. We find that these transport coefficients depend in a nontrivial manner on the coupling constant and fermion mass. For large mass, both the shear viscosity and the electrical conductivity go to zero.
Item Description: @articleAarts:2005vc, author = "Aarts, Gert and Martinez Resco, Jose M.", title = "Transport coefficients in large N(f) gauge theories with massive fermions", journal = "JHEP", volume = "0503", pages = "074", doi = "10.1088/1126-6708/2005/03/074", year = "2005", eprint = "hep-ph/0503161", archivePrefix = "arXiv", primaryClass = "hep-ph", reportNumber = "SWAT-05-427", SLACcitation = "%%CITATION = HEP-PH/0503161;%%",
College: Faculty of Science and Engineering
Issue: 03
Start Page: 074
End Page: 074