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Related papers: Charge Transport in Magnetized Holographic $\mathc…

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We employ hydrodynamics and gauge/gravity to study magneto-transport in phases of matter where translations are broken (pseudo-)spontaneously. First we provide a hydrodynamic description of systems where translations are broken…

High Energy Physics - Theory · Physics 2023-06-21 Andrea Amoretti , Daniel Arean , Daniel K. Brattan , Luca Martinoia

Tunnel transport processes are considered in a square lattice of metallic nanogranules embedded into insulating host to model tunnel conduction in real metal/insulator granular layers. Based on a simple model with three possible charging…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Y. G. Pogorelov , H. G. Silva , J. F. Polido

In this paper, based on the holographic techniques, we explore the hydrodynamics of charge diffusion phenomena in non commutative $ \mathcal{N}=4 $ SYM plasma at strong coupling. In our analysis, we compute the $ R $ charge diffusion rates…

High Energy Physics - Theory · Physics 2015-07-23 Dibakar Roychowdhury

We obtain the thermal photon and dilepton production rates in a strongly coupled quark-gluon plasma (QGP) at both zero and nonzero baryon chemical potential using a bottom-up Einstein-Maxwell-Dilaton (EMD) holographic model that is in good…

High Energy Physics - Phenomenology · Physics 2016-02-11 Stefano Ivo Finazzo , Romulo Rougemont

We study DC and AC transport in low-density $p-$Si/SiGe heterostructures at low temperatures and in a broad domain of magnetic fields up to 18 T. Complex AC conductance is determined from simultaneous measurement of velocity and attenuation…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 I. L. Drichko , A. M. Dyakonov , I. Yu. Smirnov , A. V. Suslov , Y. M. Galperin , V. Vinokur , M. Myronov , O. A. Mironov , D. R. Leadley

This report reviews recent progress in computing Kubo formulas for general interacting Hamiltonians. The aim is to calculate electric and thermal magneto-conductivities in strong scattering regimes where Boltzmann equation and Hall…

Strongly Correlated Electrons · Physics 2024-10-04 Assa Auerbach , Sauri Bhattacharyya

We apply the membrane paradigm and the holographic Wilsonian approach to the Einstein-Gauss-Bonnet-Maxwell theory. The transport coefficients for a quark-gluon plasma living on the cutoff surface are derived in a spacetime of charged black…

High Energy Physics - Theory · Physics 2012-02-21 Xian-Hui Ge , Yi Ling , Yu Tian , Xiao-Ning Wu

We use the AdS/CFT correspondence to compute the AC conductivities for a (2+1)-dimensional system of massless fundamental fermions coupled to (3+1)-dimensional Super Yang-Mills theory at strong coupling. We consider the system at finite…

High Energy Physics - Theory · Physics 2019-01-30 Gianluca Grignani , Andrea Marini , Lorenzo Papini , Adriano-Costantino Pigna

In this paper, we consider deformed STU model in four dimensions including both electric and magnetic charges. Using AdS/CFT correspondence, we study holographic superconductor and obtain transport properties like electrical and thermal…

High Energy Physics - Theory · Physics 2017-11-17 B. Pourhassan , M. M. Bagheri-Mohagheghi

We present a five-dimensional twice anisotropic holographic model supported by Einstein-dilaton-three-Maxwell action describing light quarks. The first of the Maxwell fields provides finite chemical potential. The second Maxwell field…

High Energy Physics - Theory · Physics 2023-02-07 Irina Ya. Aref'eva , Alexey Ermakov , Kristina Rannu , Pavel Slepov

We present a theory for charge and heat transport parallel to the interfaces of a multilayer (ML) in which the interfacing gives rise the redistribution of the electronic charges. The ensuing electrical field couples self-consistently to…

Strongly Correlated Electrons · Physics 2018-01-03 Veljko Zlatić , J. K. Freericks

This paper reports on the observation and analysis of magnetotransport phenomena in the nonlinear differential resistance $r_{xx}=dV_{xx}/dI$ of high-mobility InGaAs/InP and GaAs/AlGaAs Hall bar samples driven by direct current, $\Idc$.…

Mesoscale and Nanoscale Physics · Physics 2012-09-04 S. A. Studenikin , G. Granger , A. Kam , A. S. Sachrajda , Z. R. Wasilewski , P. J. Poole

We model strange metals as quantum liquids without quasiparticle excitations, but with slow momentum relaxation, and with slow diffusive dynamics of a conserved charge and energy. General expressions are obtained for electrical, thermal and…

Strongly Correlated Electrons · Physics 2015-05-20 Andrew Lucas , Subir Sachdev

Hall effect measurements in doped polymer semiconductors are widely reported, but are difficult to interpret due to screening of Hall voltages by carriers undergoing incoherent transport. Here, we propose a refined analysis for such Hall…

A quasiclassical theory for dc magnetotransport in a modulated quantum Hall system near filling factor $\nu={1/2}$ is presented. A weak one-dimensional electrostatic potential acts on the two-dimensional electron gas. Closed form analytic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Natalya A. Zimbovskaya , Godfrey Gumbs , Joseph L. Birman

We study the dc transport properties of (Ga,Mn)As diluted magnetic semiconductors with Mn concentration varying from 1.5% to 8%. Both diagonal and Hall components of the conductivity tensor are strongly sensitive to the magnetic state of…

In this thesis, we study the physics of the quark gluon plasma (QGP) using holographic methods borrowed from string theory. We start our discussion by motivating the use of such machinery, explaining how recent experimental results from the…

High Energy Physics - Phenomenology · Physics 2013-10-02 Martin Krssak

We obtain a new class of topological black hole solutions in $(n+1)$-dimensional massive gravity in the presence of the power-Maxwell electrodynamics. We calculate the conserved and thermodynamic quantities of the system and show that the…

High Energy Physics - Theory · Physics 2017-10-06 A. Dehyadegari , M. Kord Zangeneh , A. Sheykhi

The experimental observation of the long-sought quantum anomalous Hall effect was recently reported in magnetically doped topological insulator thin films [Chang et al., Science 340, 167 (2013)]. An intriguing observation is a rapid…

Mesoscale and Nanoscale Physics · Physics 2013-10-04 Hai-Zhou Lu , An Zhao , Shun-Qing Shen

Recently,a half-quantized Hall conductance (HQHC) plateau is experimentally observed in a semi-magnetic topological insulator heterostructure. However,the heterostructure is metallic with a nonzero longitudinal conductance, which…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Humian Zhou , Hailong Li , Dong-Hui Xu , Chui-Zhen Chen , Qing-Feng Sun , X. C. Xie