Gert Aarts and Jose María Martínez Resco JHEP04(2002)053 doi:10.1088/1126-6708/2002/04/053
Gert Aarts1 and Jose María Martínez Resco1
Show affiliationsTransport coefficients are determined by the slope of spectral functions of composite operators at zero frequency. We study the spectral function relevant for the shear viscosity for arbitrary frequencies in weakly-coupled scalar and nonabelian gauge theories at high temperature and compute the corresponding correlator in euclidean time. We discuss whether nonperturbative values of transport coefficients can be extracted from euclidean lattice simulations.
Issue 04 (April 2002)
Received 21 March 2002, accepted for publication 29 April 2002
Published 13 May 2002
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