On the infrared behavior of the shear spectral function in hot Yang-Mills theory

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http://hdl.handle.net/10138/212201

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Vuorinen , A & Zhu , Y 2015 , ' On the infrared behavior of the shear spectral function in hot Yang-Mills theory ' , Journal of High Energy Physics , no. 3 , 138 . https://doi.org/10.1007/JHEP03(2015)138

Title: On the infrared behavior of the shear spectral function in hot Yang-Mills theory
Author: Vuorinen, Aleksi; Zhu, Yan
Contributor: University of Helsinki, Department of Physics
Date: 2015-03-25
Language: eng
Number of pages: 27
Belongs to series: Journal of High Energy Physics
ISSN: 1029-8479
URI: http://hdl.handle.net/10138/212201
Abstract: We revisit the determination of the two-loop spectral function in the shear channel of hot Yang-Mills theory. Correcting a technical error in an earlier computation is seen to improve the infrared behavior of the quantity significantly, while a partial Hard Thermal Loop resummation is seen to have only a very minor numerical effect on the result. These facts make it possible to straightforwardly apply the spectral function to the corresponding imaginary time correlator and the shear sum rule.
Subject: Quark-Gluon Plasma
Thermal Field Theory
Resummatiol
QCD
114 Physical sciences
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