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Related papers: Violation of the holographic bulk viscosity bound

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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…

High Energy Physics - Theory · Physics 2010-05-12 Alex Buchel , Chris Pagnutti

We propose a lower bound on bulk viscosity of strongly coupled gauge theory plasmas. Using explicit example of the N=2^* gauge theory plasma we show that the bulk viscosity remains finite at a critical point with a divergent specific heat.…

High Energy Physics - Theory · Physics 2008-11-26 Alex Buchel

We study the conductivity and shear viscosity tensors of a strongly coupled N=4 super-Yang-Mills plasma which is kept anisotropic by a theta parameter that depends linearly on one of the spatial dimensions. Its holographic dual is given by…

High Energy Physics - Theory · Physics 2013-05-30 Anton Rebhan , Dominik Steineder

Prior attempts to construct the gravity dual of boost-invariant flow of N=4 supersymmetric Yang-Mills gauge theory plasma suffered from apparent curvature singularities in the late time expansion. This Letter shows how these problems can be…

High Energy Physics - Theory · Physics 2009-02-26 Michal P. Heller , R. Loganayagam , Michal Spalinski , Piotr Surowka , Samuel E. Vazquez

We explain a method for computing the bulk viscosity of strongly coupled thermal plasmas dual to supergravity backgrounds supported by one scalar field. Whereas earlier investigations required the computation of the leading dissipative term…

High Energy Physics - Theory · Physics 2009-12-10 Steven S. Gubser , Silviu S. Pufu , Fabio D. Rocha

Using the anti-de Sitter/conformal field theory correspondence, we relate the shear viscosity \eta of the finite-temperature N=4 supersymmetric Yang-Mills theory in the large N, strong-coupling regime with the absorption cross section of…

High Energy Physics - Theory · Physics 2010-02-18 G. Policastro , D. T. Son , A. O. Starinets

Gauge theory/string theory holographic correspondence for ${\cal N}=4$ supersymmetric Yang-Mills theory is well under control in the planar limit, and for large (infinitely large) 't Hooft coupling, $\lambda\to \infty$. Certain aspects of…

High Energy Physics - Theory · Physics 2018-10-03 Alex Buchel

First and second order transport coefficients are calculated for the strongly coupled N=4 SYM plasma coupled to massless fundamental matter in the Veneziano limit. The results, including among others the value of the bulk viscosity and some…

High Energy Physics - Theory · Physics 2010-05-12 Francesco Bigazzi , Aldo L. Cotrone , Javier Tarrio

A novel technique is used to compute the bulk viscosity of high temperature holographic gauge theory plasmas with softly broken conformal symmetry. Working in a black hole background which corresponds to a non-trivial solution to the…

High Energy Physics - Theory · Physics 2010-05-12 Amos Yarom

Using gauge theory/gravity duality we study sound wave propagation in strongly coupled non-conformal gauge theory plasma. We compute the speed of sound and the bulk viscosity of N=2^* supersymmetric SU(N_c) Yang-Mills plasma at a…

High Energy Physics - Theory · Physics 2008-11-26 Paolo Benincasa , Alex Buchel , Andrei O. Starinets

Strongly coupled N=4 supersymmetric Yang-Mills plasma at finite temperature and chemical potential for an R-symmetry charge undergoes a second order phase transition. We demonstrate that this phase transition is of the mean field theory…

High Energy Physics - Theory · Physics 2014-11-21 Alex Buchel

Gauge theory - gravity duality predicts that the shear viscosity of N=4 supersymmetric SU(N_c) Yang-Mills plasma at temperature T in the limit of large N_c and large 't Hooft coupling g^2_{YM} N_c is independent of the coupling and equals…

High Energy Physics - Theory · Physics 2008-11-26 Alex Buchel , James T. Liu , Andrei O. Starinets

The stress-energy tensor of a quark moving through a strongly coupled N=4 supersymmetric Yang-Mills plasma is evaluated using gauge/string duality. The accuracy with which the resulting wake, in position space, is reproduced by…

High Energy Physics - Theory · Physics 2008-11-26 Paul M. Chesler , Laurence G. Yaffe

The plasma consisting of confining gluons resulting from the Gribov quantization of the SU(3) Yang-Mills theory is studied using non-equilibrium fluid dynamical framework. Exploiting the Bjorken symmetry and using linear response theory a…

High Energy Physics - Phenomenology · Physics 2016-11-23 Wojciech Florkowski , Radoslaw Ryblewski , Nan Su , Konrad Tywoniuk

We compute the strong coupling limit of the shear viscosity for the N=4 super-Yang-Mill theory with a chemical potential. We use the five-dimensional Reissner-Nordstrom-anti-deSitter black hole, so the chemical potential is the one for the…

High Energy Physics - Theory · Physics 2008-11-26 Kengo Maeda , Makoto Natsuume , Takashi Okamura

The contribution presents a summary of the Gauge/Gravity approach to the study of hydrodynamic flow of the quark-gluon plasma formed in heavy-ion collisions. Considering the ideal case of a supersymmetric Yang-Mills theory for which the…

High Energy Physics - Theory · Physics 2009-06-24 Michal P. Heller , Romuald A. Janik , R. Peschanski

The null horizon focusing equation is equivalent via the fluid/gravity correspondence to the entropy balance law of the fluid. Using this equation we derive a simple novel formula for the bulk viscosity of the fluid. The formula is…

High Energy Physics - Theory · Physics 2011-06-09 Christopher Eling , Yaron Oz

Recently, a number of intriguing results have been obtained for strongly coupled ${\cal N}=4$ Supersymmetric Yang-Mills theory in vacuum and matter, using the AdS/CFT correspondence. In this work, we provide a physical picture supporting…

High Energy Physics - Theory · Physics 2009-11-10 Edward Shuryak , Ismail Zahed

We demonstrate that a Bjorken expanding strongly coupled $\mathcal{N}=4$ Supersymmetric Yang-Mills plasma can display dynamically-driven violations of the dominant and also the weak energy condition during hydrodynamization. In addition, we…

Nuclear Theory · Physics 2021-12-16 Romulo Rougemont , Jorge Noronha , Willians Barreto , Gabriel S. Denicol , Travis Dore

The cascading gauge theory of Klebanov et.al realizes a soluble example of gauge/string correspondence in a non-conformal setting. Such a gauge theory has a strong coupling scale Lambda, below which it confines with a chiral symmetry…

High Energy Physics - Theory · Physics 2009-07-22 Alex Buchel
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