Bulk viscosity of \({\mathcal N}=2^*\) plasma
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Publication:992432
DOI10.1016/J.NUCLPHYSB.2009.02.022zbMATH Open1194.81190arXiv0812.3623OpenAlexW1967715763MaRDI QIDQ992432
Author name not available (Why is that?)
Publication date: 13 September 2010
Published in: (Search for Journal in Brave)
Abstract: We use gauge theory/string theory correspondence to study the bulk viscosity of strongly coupled, mass deformed SU(N_c) N=4 supersymmetric Yang-Mills plasma, also known as N=2^* gauge theory. For a wide range of masses we confirm the bulk viscosity bound proposed in arXiv:0708.3459. For a certain choice of masses, the theory undergoes a phase transition with divergent specific heat c_V ~ |1-T_c/T|^(-1/2). We show that, although bulk viscosity rapidly grows as T -> T_c, it remains finite in the vicinity of the critical point.
Full work available at URL: https://arxiv.org/abs/0812.3623
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