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We discuss the physics of sound propagation and charge diffusion in a plasma with non-vanishing charge density. Our analysis culminates the program initiated in arXiv:2108.03244 to construct an open effective field theory of low-lying modes…

High Energy Physics - Theory · Physics 2023-04-18 Temple He , R. Loganayagam , Mukund Rangamani , Julio Virrueta

Planar black holes in AdS have long-lived quasinormal modes which capture the physics of charge and momentum diffusion in the dual field theory. How should we characterize the effective dynamics of a probe system coupled to the conserved…

High Energy Physics - Theory · Physics 2021-06-02 Jewel K. Ghosh , R. Loganayagam , Siddharth G. Prabhu , Mukund Rangamani , Akhil Sivakumar , V. Vishal

Planar black holes in AdS, which are holographically dual to compressible relativistic fluids, have a long-lived phonon mode that captures the physics of attenuated sound propagation and transports energy in the plasma. We describe the open…

High Energy Physics - Theory · Physics 2022-09-28 Temple He , R. Loganayagam , Mukund Rangamani , Akhil Sivakumar , Julio Virrueta

In this work, we examine how charge is transported in a theory where momentum is relaxed by spatially dependent, massless scalars. We analyze the possible IR phases in terms of various scaling exponents and the (ir)relevance of operators in…

High Energy Physics - Theory · Physics 2016-12-23 B. Goutéraux

In the Master's thesis of the author, we investigate certain aspects of gravitational physics that emerge from stochastic toy models of holographic gauge theories. We begin by reviewing field theory thermodynamics, black hole thermodynamics…

High Energy Physics - Theory · Physics 2014-07-16 Connor Behan

We study the dynamics of an isotropic, planar AdS black hole charged under a pair of two-form gauge potentials. We prove that long wavelength, small amplitude perturbations of this state are governed by the relativistic theory of…

High Energy Physics - Theory · Physics 2025-12-12 Richard A. Davison , André Oliveira Pinheiro

The relaxation of a strongly coupled plasma towards the hydrodynamic regime is studied by analyzing the evolution of local and nonlocal observables in the holographic approach. The system is driven in an initial anisotropic and far-from…

High Energy Physics - Theory · Physics 2016-12-21 Loredana Bellantuono

We present a holographic perspective on momentum transport in strongly coupled, anisotropic non-Abelian plasmas in the presence of strong magnetic fields. We compute the anisotropic heavy quark drag forces and Langevin diffusion…

High Energy Physics - Phenomenology · Physics 2017-06-26 Stefano Ivo Finazzo , Renato Critelli , Romulo Rougemont , Jorge Noronha

In the previous paper we studied the transport coefficients of Quark-Gluon Plasma in finite temperature and finite density in vector and tensor modes. In this paper, we extend it to the scalar modes. We work out the decoupling problem and…

High Energy Physics - Theory · Physics 2009-08-03 Yoshinori Matsuo , Sang-Jin Sin , Shingo Takeuchi , Takuya Tsukioka , Chul-Moon Yoo

Motivated by electromagnetic-field confinement due to plasma near accreting black holes, we continue our exploration of the linear dynamics of an electromagnetic field propagating in curved spacetime in the presence of plasma by including…

General Relativity and Quantum Cosmology · Physics 2021-12-01 Enrico Cannizzaro , Andrea Caputo , Laura Sberna , Paolo Pani

We investigate the convergence of relativistic hydrodynamics in charged fluids, within the framework of holography. On the one hand, we consider the analyticity properties of the dispersion relations of the hydrodynamic modes on the complex…

High Energy Physics - Theory · Physics 2020-12-02 Aron Jansen , Christiana Pantelidou

We consider black hole spacetimes that are holographically dual to strongly coupled field theories in which spatial translations are broken explicitly. We discuss how the quasinormal modes associated with diffusion of heat and charge can be…

High Energy Physics - Theory · Physics 2018-04-04 Aristomenis Donos , Jerome P. Gauntlett , Vaios Ziogas

We analyze a class of bottom-up holographic models for low energy thermo-electric transport. The models we focus on belong to a family of Einstein-Maxwell-dilaton theories parameterized by two scalar functions, characterizing the dilaton…

High Energy Physics - Theory · Physics 2015-12-15 Mukund Rangamani , Moshe Rozali , Darren Smyth

We use holography to compute the conductivity in an inhomogeneous charged scalar background. We work in the probe limit of the four-dimensional Einstein-Maxwell theory coupled to a charged scalar. The background has zero charge density and…

High Energy Physics - Theory · Physics 2015-06-22 Francesco Aprile , Takaaki Ishii

Progress in the theory of anomalous diffusion in weakly turbulent cold magnetized plasmas is explained. Several proposed models advanced in the literature are discussed. Emphasis is put on a new proposed mechanism for anomalous diffusion…

Plasma Physics · Physics 2009-01-26 Mario J. Pinheiro

In this paper, we investigate the dynamics of a heavy quark under the plasmas correspond to three dimensional hairy black holes. We utilize the AdS/CFT correspondence to study the holographic Brownian motion of this particle in different…

High Energy Physics - Theory · Physics 2014-03-10 J. Sadeghi , B. Pourhassan , F. Pourasadollah

We consider the transport of conserved charges in spatially inhomogeneous quantum systems with a discrete lattice symmetry. We analyse the retarded two point functions involving the charge and the associated currents at long wavelengths,…

High Energy Physics - Theory · Physics 2017-12-20 Aristomenis Donos , Jerome P. Gauntlett , Vaios Ziogas

We compute the properties of a class of charged black holes in anti-de Sitter space-time, in diverse dimensions. These black holes are solutions of consistent Einstein-Maxwell truncations of gauged supergravities, which are shown to arise…

High Energy Physics - Theory · Physics 2009-10-31 Andrew Chamblin , Roberto Emparan , Clifford V. Johnson , Robert C. Myers

The physical properties of Reissner-Nordstrom black holes in (n+1)-dimensional anti-de Sitter spacetime are related, by a holographic map, to the physics of a class of n-dimensional field theories coupled to a background global current.…

High Energy Physics - Theory · Physics 2010-04-06 Andrew Chamblin , Roberto Emparan , Clifford V. Johnson , Robert C. Myers

We briefly explain the consistency conditions imposed on the effective holographic theories, which are parameterized by two real exponents $(\gamma,\delta)$ that control the IR dynamics. The general scaling of DC resistivity with…

High Energy Physics - Theory · Physics 2011-07-26 Blaise Gouteraux , Bom Soo Kim , Rene Meyer
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