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Related papers: Viscosity Correlators in Improved Holographic QCD

200 papers

We construct the gravity dual of $d=4$, $\mathcal{N}=4$, SU($N_\rm{c}$) super Yang-Mills theory, coupled to $N_\rm{f}$ flavors of dynamical quarks, at non-zero temperature $T$ and non-zero quark density $N_\rm{q}$. The supergravity…

High Energy Physics - Theory · Physics 2019-07-02 Anton F. Faedo , David Mateos , Christiana Pantelidou , Javier Tarrio

Two different entanglement measures for mixed states, namely, the entanglement of purification and entanglement negativity has been holographically computed for the dipole deformed supersymmetric Yang-Mills (SYM) theory by considering its…

High Energy Physics - Theory · Physics 2023-12-12 Anirban Roy Chowdhury , Ashis Saha , Sunandan Gangopadhyay

The transport properties of dense QCD matter play a crucial role in the physics of neutron stars and their mergers, but are notoriously difficult to study with traditional quantum field theory tools. Specializing to the case of unpaired…

High Energy Physics - Theory · Physics 2022-04-06 Carlos Hoyos , Niko Jokela , Matti Järvinen , Javier G. Subils , Javier Tarrio , Aleksi Vuorinen

A theoretical framework for the calculation of shear and bulk viscosities of hadronic matter at finite temperature is presented. The framework is based on the quasi-particle picture. It allows for an arbitrary number of hadron species with…

Nuclear Theory · Physics 2011-02-01 P. Chakraborty , J. I. Kapusta

The hexagon-form-factor program was proposed as a way to compute three- and higher-point correlation functions in $\mathcal{N}=4$ super-symmetric Yang-Mills theory and in the dual AdS$_5\times$S$^5$ superstring theory, by exploiting the…

High Energy Physics - Theory · Physics 2018-12-05 Burkhard Eden , Yunfeng Jiang , Marius de Leeuw , Tim Meier , Dennis le Plat , Alessandro Sfondrini

We introduce a covariant finite regulator for N = 4 super Yang-Mills theory on S^4. Our formulation is based on holomorphic Chern-Simons theory on twistor space. By switching on a large background flux, the twistor space dissolves into a…

High Energy Physics - Theory · Physics 2011-04-15 Jonathan J. Heckman , Herman Verlinde

Gauge theory-string theory duality describes strongly coupled N=4 supersymmetric SU(n) Yang-Mills theory at finite temperature in terms of near extremal black 3-brane geometry in type IIB string theory. We use this correspondence to compute…

High Energy Physics - Theory · Physics 2016-09-06 Paolo Benincasa , Alex Buchel

We consider a random matrix model which describes the competition between chiral symmetry breaking and the formation of quark Cooper pairs in QCD at finite density. We study the evolution of the phase structure in temperature and chemical…

High Energy Physics - Phenomenology · Physics 2016-09-06 Benoit Vanderheyden , A. D. Jackson

Entanglement entropy is a notoriously difficult quantity to compute in strongly interacting gauge theories. Existing lattice replica methods have suffered from a severe signal-to-noise ratio problem, making high-precision studies…

High Energy Physics - Theory · Physics 2023-01-11 Niko Jokela , Arttu Pönni , Kari Rummukainen , Tobias Rindlisbacher , Ahmed Salami

We are simulating SU(2) Yang-Mills theory with four flavours of dynamical quarks in the fundamental representation of SU(2) `colour' at finite chemical potential, mu for quark number, as a model for QCD at finite baryon number density. In…

High Energy Physics - Lattice · Physics 2014-11-17 S. J. Hands , J. B. Kogut , S. E. Morrison , D. K. Sinclair

Planar maximally supersymmetric Yang-Mills theory (N=4 SYM) is a special quantum field theory. A few of its remarkable features are conformal symmetry at the quantum level, evidence of integrability and, moreover, it is a prime example of…

High Energy Physics - Theory · Physics 2016-08-05 Brenda Penante

We study the chiral symmetry breaking and restoration in $ (2+1) $-dimensional gauge theories from the holographic hard and softwall models. We describe the behavior of the chiral condensate in the presence of an external magnetic field for…

High Energy Physics - Theory · Physics 2018-11-13 Diego M. Rodrigues , Danning Li , Eduardo Folco Capossoli , Henrique Boschi-Filho

We detect the topological properties of Chern insulators with strong Coulomb interactions by use of cluster perturbation theory and variational cluster approach. The common scheme in previous studies only involves the calculation of the…

Strongly Correlated Electrons · Physics 2019-07-30 Zhao-Long Gu , Kai Li , Jian-Xin Li

We use a variational procedure to study finite density QCD in an approximation in which the interaction between quarks is modelled by that induced by instantons. We find that uniform states with conventional chiral symmetry breaking have…

High Energy Physics - Phenomenology · Physics 2008-11-26 Krishna Rajagopal

We show that multichannel quantum defect theory (MQDT) can be applied successfully as an efficient computational method for cold molecular collisions in Li+NH, which has a deep and strongly anisotropic interaction potential. In this…

Chemical Physics · Physics 2013-05-10 James F. E. Croft , Jeremy M. Hutson

We discuss the holographic description of Narain $U(1)^c\times U(1)^c$ conformal field theories, and their potential similarity to conventional weakly coupled gravity in the bulk, in the sense that the effective IR bulk description includes…

High Energy Physics - Theory · Physics 2025-04-15 Anatoly Dymarsky , Alfred Shapere

Within the methods of the real and the imaginary potential for investigating the melting of a heavy quarkonium in the AdS/CFT correspondence, we study the effects of the dynamical exponent, the hyperscaling violation parameter, and the…

High Energy Physics - Theory · Physics 2024-06-21 Marjan Kioumarsipour , Bahman Khanpour

We use perturbation theory to compute the diffusion coefficient of a heavy quark or scalar moving in N=4 SU(N_c) Super Yang-Mills plasma to leading order in the coupling and the ratio T/M<<1. The result is compared both to recent strong…

High Energy Physics - Phenomenology · Physics 2009-11-11 P. M. Chesler , A. Vuorinen

We have examined holographic renormalization group($RG$) flows of the shear viscosities in anisotropic holographic superfluids via their gravity duals, Einstein-SU(2) Yang-Mills system. In anisotropic phase, below the critical temperature…

High Energy Physics - Theory · Physics 2012-06-27 Jae-Hyuk Oh

Lattice simulations and theoretical analyses consistently identify center vortices and monopoles as key nonperturbative configurations in Yang-Mills theory. In the continuum, the effective representation of mixed oriented and nonoriented…

High Energy Physics - Theory · Physics 2026-03-27 David R. Junior , Gastão Krein , Luis E. Oxman , Bruno R. Soares