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Related papers: Conductivities from attractors

200 papers

We study thermal transport in strongly disordered, strongly interacting quantum field theories without quasiparticles using gauge-gravity duality. We analyze linear perturbations of black holes with broken translational symmetry in…

High Energy Physics - Theory · Physics 2016-03-30 Sašo Grozdanov , Andrew Lucas , Koenraad Schalm

Using the AdS/CFT correspondence we study transport coefficients of a strongly-coupled (2 +1)-dimensional field theory at {\it zero} temperature and finite charge density. The field theory under consideration is dual to the extremal…

High Energy Physics - Theory · Physics 2010-01-22 Mohammad Edalati , Juan I. Jottar , Robert G. Leigh

We study several aspects of charged dilaton black holes with planar symmetry in $(d+2)$-dimensional spacetime, generalizing the four-dimensional results investigated in arXiv:0911.3586 [hep-th]. We revisit the exact solutions with both zero…

High Energy Physics - Theory · Physics 2014-11-20 Chiang-Mei Chen , Da-Wei Pang

A class of strongly interacting 2+1 dimensional conformal field theories in a transverse magnetic field can be studied using the AdS/CFT duality. We compute zero momentum hydrodynamic response functions of maximally supersymmetric 2+1…

High Energy Physics - Theory · Physics 2008-11-26 Sean A. Hartnoll , Pavel Kovtun

In this paper the low temperature zero-frequency transport in a 2+1-dimensional theory dual to a dyonic black hole is discussed. It is shown that transport exhibits topological features: the transverse electric and heat conductivities…

High Energy Physics - Theory · Physics 2018-03-14 Dmitry Melnikov

We consider AdS black planar black hole in the four-dimensional Einstein-Maxwell-Horndeski theory with two free axions and analyse the thermodynamics of the black hole. We calculate the holographic thermoelectric conductivities of the dual…

High Energy Physics - Theory · Physics 2018-10-12 Hai-Shan Liu

In this paper, we consider two four-dimensional Horndeski-type gravity theories with scalar fields that give rise to solutions with momentum dissipation in the dual boundary theories. Firstly, we study Einstein-Maxwell theory with a…

High Energy Physics - Theory · Physics 2017-08-02 Wei-Jian Jiang , Hai-Shan Liu , H. Lu , C. N. Pope

We propose a lower bound of the dc electrical conductivity in strongly disordered, strongly interacting quantum field theories using holography. We study linear response of black holes with broken translational symmetry in…

High Energy Physics - Theory · Physics 2016-11-23 Kazem Bitaghsir Fadafan

We consider dyonic black hole in hyperscaling violating Lifshitz theories arised in a four dimensional Einstein-Maxwell-dilaton system along with axion fields. Considering the linearised equation of relevant fluctuations in metric and gauge…

High Energy Physics - Theory · Physics 2019-06-07 Subir Mukhopadhyay , Chandrima Paul

We calculate the shear viscosity of strongly coupled field theories dual to Gauss-Bonnet gravity at zero temperature with nonzero chemical potential. We find that the ratio of the shear viscosity over the entropy density is $1/4\pi$, which…

High Energy Physics - Theory · Physics 2010-05-12 Rong-Gen Cai , Yan Liu , Ya-Wen Sun

We consider general black hole solutions of Einstein-Maxwell-scalar theory that are holographically dual to conformal field theories at finite charge density with non-vanishing magnetic fields and local magnetisation currents, which…

High Energy Physics - Theory · Physics 2016-02-17 Aristomenis Donos , Jerome P. Gauntlett , Tom Griffin , Luis Melgar

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

Using the bottom-up approach in a holographic setting, we attempt to study both the transport and thermodynamic properties of a generic system in 3+1 dimensional bulk spacetime. We show the exact 1/T and $T^2$ dependence of the longitudinal…

High Energy Physics - Theory · Physics 2013-05-29 Shesansu Sekhar Pal

The frequency-dependent longitudinal and Hall conductivities --- $\sigma_{xx}$ and $\sigma_{xy}$ --- are dimensionless functions of $\omega/T$ in 2+1 dimensional CFTs at nonzero temperature. These functions characterize the spectrum of…

High Energy Physics - Theory · Physics 2016-08-24 Guy Gur-Ari , Sean A. Hartnoll , Raghu Mahajan

We study the thermoelectric conductivities of a strongly correlated system in the presence of a magnetic field by the gauge/gravity duality. We consider a class of Einstein-Maxwell-Dilaton theories with axion fields imposing momentum…

High Energy Physics - Theory · Physics 2015-08-25 Keun-Young Kim , Kyung Kiu Kim , Yunseok Seo , Sang-Jin Sin

We consider a general class of electrically charged black holes of Einstein-Maxwell-scalar theory that are holographically dual to conformal field theories at finite charge density which break translation invariance explicitly. We examine…

High Energy Physics - Theory · Physics 2015-10-13 Elliot Banks , Aristomenis Donos , Jerome P. Gauntlett

We construct a general family of exact non-extremal 4-dimensional black holes in AdS gravity with U(1) gauge fields non-minimally coupled to a dilaton and a non-trivial dilaton potential. These black holes can have spherical, toroidal, and…

High Energy Physics - Theory · Physics 2015-06-17 Andres Anabalon , Dumitru Astefanesei

We investigate an Einstein-Maxwell-Dilaton-Axion holographic model and obtain two branches of a charged black hole solution with a dynamic exponent and a hyperscaling violation factor when a magnetic field presents. The…

High Energy Physics - Theory · Physics 2018-03-14 Ze-Nan Chen , Xian-Hui Ge , Shang-Yu Wu , Guo-Hong Yang , Hong-Sheng Zhang

We calculate the thermoelectric and thermal conductivity of Einstein-DBI system without the translational symmetry. We show that strictly, the longitudinal component of the thermal conductivity in the vanishing dissipation limit,…

High Energy Physics - Theory · Physics 2019-12-03 Shesansu Sekhar Pal

We study charged dilaton black branes in $AdS_4$. Our system involves a dilaton $\phi$ coupled to a Maxwell field $F_{\mu\nu}$ with dilaton-dependent gauge coupling, ${1\over g^2} = f^2(\phi)$. First, we find the solutions for extremal and…

High Energy Physics - Theory · Physics 2010-12-21 Kevin Goldstein , Shamit Kachru , Shiroman Prakash , Sandip P. Trivedi
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