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The carriers in graphene tuned close to the Dirac point envisage signatures of the strongly interacting fluid and are subject to hydrodynamic description. The important question is whether strong disorder induces the metal-insulator…

High Energy Physics - Theory · Physics 2020-03-18 Marek Rogatko , Karol I. Wysokinski

In this paper, based on the principles of gauge/gravity duality and considering the so called \textit{hydrodynamic} limit we compute various charge transport properties for a class of strongly coupled non relativistic CFTs corresponding to…

High Energy Physics - Theory · Physics 2015-03-31 Dibakar Roychowdhury

The strong coupling dynamics of a 2+1 dimensional U(1) gauge theory coupled to charged matter is holographically modeled via a top-down construction with intersecting D3- and D5-branes. We explore the resulting phase diagram at finite…

High Energy Physics - Theory · Physics 2016-11-30 T. Alho , V. Giangreco M. Puletti , R. Pourhasan , L. Thorlacius

We study the response of a (2+1)-dimensional gauge theory to an external rotating electric field. In the strong coupling regime such system is formulated holographically in a top-down model constructed by intersecting D3- and D5-branes…

High Energy Physics - Theory · Physics 2022-09-09 Ana Garbayo , Javier Mas , Alfonso V. Ramallo

We consider transport of heat and charge in holographic lattices which are phases of strongly coupled matter in which translations are broken explicitly. In these systems, we study a spontaneous density wave that breaks translations…

High Energy Physics - Theory · Physics 2019-06-26 Aristomenis Donos , Christiana Pantelidou

We study a defect conformal field theory describing D3-branes intersecting over two space-time dimensions. This theory admits an exact Lagrangian description which includes both two- and four-dimensional degrees of freedom, has (4,4)…

High Energy Physics - Theory · Physics 2009-11-07 Neil R. Constable , Johanna Erdmenger , Zachary Guralnik , Ingo Kirsch

We discuss the computation of holographic entanglement entropy for interface conformal field theories. The fact that globally well defined Fefferman-Graham coordinates are difficult to construct makes the regularization of the holographic…

High Energy Physics - Theory · Physics 2017-03-22 Michael Gutperle , Andrea Trivella

Energy band realignment at the interfaces between materials in heterostructures can give rise to unique electronic characteristics and non-trivial low-dimensional charge states. In a homojunction of monolayer and multilayer MoS$_2$, the…

Materials Science · Physics 2017-07-21 Ying Jia , Teodor K. Stanev , Erik J. Lenferink , Nathaniel P. Stern

We examine how conformal boundaries encode energy transport coefficients -- namely transmission and reflection probabilities -- of corresponding conformal interfaces in symmetric orbifold theories. These constitute a large class of…

High Energy Physics - Theory · Physics 2023-11-01 Saba Asif Baig , Sanjit Shashi

We examine various aspects of the conjectured duality between warped AdS$_5$ geometries with boundary branes and strongly coupled (broken) conformal field theories coupled to dynamical gravity. We also examine compactifications with 5-d…

High Energy Physics - Theory · Physics 2009-10-31 Nima Arkani-Hamed , Massimo Porrati , Lisa Randall

We provide a simple method for writing the Dirac-Born-Infeld (DBI) equations of a Dp-brane in an arbitrary static background whose metric depends only on the holographic radial coordinate z. Using this method we revisit the Karch-O'Bannon's…

High Energy Physics - Theory · Physics 2013-05-29 Alfonso Ballon-Bayona , Cristine N. Ferreira , Victor J. Vasquez Otoya

We study a three-dimensional holographic CFT under the influence of a background electric field on a spacetime containing two black hole horizons. The electric background is fixed such that there is potential difference between the two…

High Energy Physics - Theory · Physics 2024-05-28 William D. Biggs , Jorge E. Santos

A detailed numerical study of a recent proposal for exotic states of the D3-probe D5 brane system with charge density and an external magnetic field is presented. The state has a large number of coincident D5 branes blowing up to a D7 brane…

High Energy Physics - Theory · Physics 2015-06-18 C. Kristjansen , R. Pourhasan , G. W. Semenoff

We build a holographic description of non-relativistic system for superconductivity in strongly interacting condensed matter via gauge/gravity duality. We focus on the phase transition and give an example to show that a simple gravitational…

High Energy Physics - Theory · Physics 2009-11-03 Shi Pu , Sang-Jin Sin , Yang Zhou

We consider a four-dimensional N=2 gauged supergravity coupled to matter fields. The model is obtained by a U(1) gauging of a charged hypermultiplet and therefore it is suitable for the study of holographic superconductivity. The potential…

High Energy Physics - Theory · Physics 2015-06-05 Francesco Aprile

Dynamical conductivity in a disordered one-dimensional model of interacting fermions is studied numerically at high temperatures and in the weak-interaction regime in order to find a signature of many-body localization and vanishing d.c.…

Strongly Correlated Electrons · Physics 2015-05-19 O. S. Barišić , P. Prelovšek

The effects of atomic-scale disorder and charge (de)localization holds significant importance,and they provide essential insights in unravelling the role that strong and weak correlations play in condensed matter systems.For perovskite…

The IR dynamics of effective holographic theories capturing the interplay between charge density and the leading relevant scalar operator at strong coupling are analyzed. Such theories are parameterized by two real exponents…

High Energy Physics - Theory · Physics 2010-12-06 C. Charmousis , B. Goutéraux , B. S. Kim , E. Kiritsis , Rene Meyer

We investigate DC transport in a top-down construction of thermal QGP-like theories using a holographic M-theoretic background, incorporating quartic curvature corrections. The DC and Hall conductivities are computed from the…

High Energy Physics - Theory · Physics 2026-05-12 Shivam Singh Kushwah

Universal properties of two-dimensional conformal interfaces are encoded by the flux of energy transmitted and reflected during a scattering process. We develop an innovative method that allows us to use results for the energy transmission…

High Energy Physics - Theory · Physics 2023-07-26 Constantin Bachas , Stefano Baiguera , Shira Chapman , Giuseppe Policastro , Tal Schwartzman