2013
DOI: 10.1007/jhep05(2013)140
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Energy momentum tensor correlators in hot Yang-Mills theory: holography confronts lattice and perturbation theory

Abstract: Abstract:We investigate the behavior of energy momentum tensor correlators in strongly coupled large-N c Yang-Mills theory at nonzero temperature, working within the Improved Holographic QCD model. In particular, we determine the spectral functions and corresponding imaginary time correlators in the bulk and shear channels, and compare the results to recent perturbative and lattice calculations where available. For the bulk channel imaginary time correlator, for which all three results exist, lattice data is s… Show more

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Cited by 12 publications
(14 citation statements)
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References 69 publications
(148 reference statements)
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“…This behavior is in practice identical to the results obtained in [24] using an IR cut-off, leaving all earlier comparisons with corresponding lattice and AdS results (see e.g. [38,40]) unchanged.…”
Section: Sum Rule and Imaginary Time Correlatorsupporting
confidence: 81%
See 1 more Smart Citation
“…This behavior is in practice identical to the results obtained in [24] using an IR cut-off, leaving all earlier comparisons with corresponding lattice and AdS results (see e.g. [38,40]) unchanged.…”
Section: Sum Rule and Imaginary Time Correlatorsupporting
confidence: 81%
“…In addition, we will also revisit the unresummed calculation of [24], performing a completely independent evaluation of the shear spectral function. These exercises are not only important for the sake of academic interest, but our motivation is also to aid the eventual extraction of the shear viscosity from Euclidean lattice data and to facilitate more accurate comparisons with recent lattice and AdS/CFT calculations [32][33][34][35][36][37][38].…”
Section: Jhep03(2015)138mentioning
confidence: 99%
“…Recall, for example, that the UV asymptotics of the pressure and the UV asymptotics of the correlators for the energy momentum tensor give slightly different numbers for the normalization of the glue action [147].…”
Section: Jhep07(2015)033mentioning
confidence: 99%
“…Interesting analytical and numerical results for the thermal behavior of the plasma were obtained also in [20][21][22][23][24][25][26]. For example, in ref.…”
Section: Introductionmentioning
confidence: 99%