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We investigate the holographic dc conductivity of (2+1) dimensional systems while considering hyperscaling violating geometry in the bulk. We consider Einstein-Maxwell-Dilaton system with two gauge fields and Liouville type potential for…

High Energy Physics - Theory · Physics 2018-02-05 Neha Bhatnagar , Sanjay Siwach

We propose an intrinsic nonlinear spin Hall effect, which enables the generation of collinearly-polarized spin current in a large class of nonmagnetic materials with the corresponding linear response being symmetry-forbidden. This opens a…

Mesoscale and Nanoscale Physics · Physics 2024-07-26 Hui Wang , Huiying Liu , Xukun Feng , Jin Cao , Weikang Wu , Shen Lai , Weibo Gao , Cong Xiao , Shengyuan A. Yang

Magnetotransport measurements in combination with molecular dynamics (MD) simulations on two-dimensional disordered Lorentz gases in the classical regime are reported. In quantitative agreement between experiment and simulation, the…

Disordered Systems and Neural Networks · Physics 2018-02-07 N. H. Siboni , J. Schluck , K. Pierz , H. W. Schumacher , D. Kazazis , J. Horbach , T. Heinzel

We consider magnetotransport on a helical edge of a quantum spin Hall insulator, in the presence of bulk midgap states ``side-coupled" to the edge. In the presence of a magnetic field, the midgap levels are spin-split, and hybridization of…

Mesoscale and Nanoscale Physics · Physics 2023-02-27 Youjian Chen , Wenjin Zhao , Elliott Runburg , David Cobden , D. A. Pesin

The electron transport properties of hybrid ferromagnetic|normal metal structures such as multilayers and spin valves depend on the relative orientation of the magnetization direction of the ferromagnetic elements. Whereas the contrast in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Arne Brataas , Gerrit E. W. Bauer , Paul J. Kelly

In this letter we study the Hall conductivity in holographic models where translational invariance is broken by a lattice. We show that generic holographic theories will display a different temperature dependence in the Hall angle as to the…

High Energy Physics - Theory · Physics 2015-06-19 Mike Blake , Aristomenis Donos

Quantization of the magneto-thermoelectric transport is studied when an external d.c. magnetic field is applied to the C/N-knot formed as crossing between a narrow stripe of conducting atomic monolayer C on the one hand and metal stripe N…

Mesoscale and Nanoscale Physics · Physics 2016-11-10 S. E. Shafranjuk

Unusual magnetotransport behaviors, such as temperature-dependent negative magnetoresistance (MR) and bowtie-shaped MR, have puzzled us for a long time. Although several mechanisms have been proposed to explain these phenomena, the absence…

Materials Science · Physics 2025-09-23 Zhihao Liu , Shengnan Zhang , Zhong Fang , Hongming Weng , Quansheng Wu

Electronic transport in monolayer MoS2 is significantly constrained by several extrinsic factors despite showing good prospects as a transistor channel material. Our paper aims to unveil the underlying mechanisms of the electrical and…

Mesoscale and Nanoscale Physics · Physics 2023-12-04 Anup Kumar Mandia , Rohit Kumar , Seung-Cheol Lee , Satadeep Bhattacharjee , Bhaskaran Muralidharan

We present a model to describe the nonlinear response to a direct dc current applied to a two-dimensional electron system in a strong magnetic field. The model is based on the solution of the von Neumann equation incorporating the exact…

Mesoscale and Nanoscale Physics · Physics 2010-09-21 A. Kunold , M. Torres

In this Letter we present a comprehensive study of topological magnon bands and thermal Hall effect in non-collinear antiferromagnetic systems on the honeycomb lattice with an intrinsic Dzyaloshinskii-Moriya interaction. We theoretically…

Mesoscale and Nanoscale Physics · Physics 2017-06-14 S. A. Owerre

A classical model for {\em dc} transport of two dimensional electrons in a perpendicular magnetic field and under strong irradiation is considered. We demonstrate that, near the cyclotron resonance condition, and for {\em linear}…

Disordered Systems and Neural Networks · Physics 2009-11-10 A. A. Koulakov , M. E. Raikh

We investigate the evolution of Anomalous Hall Conductivity (AHC) in a coplanar and collinear antiferromagnetic system with varying spin canting angles. A tight-binding model based on three t2g-orbitals in a body-centered tetragonal lattice…

Materials Science · Physics 2026-03-24 Yuansheng Bu , Ziyin Song , Zhong Fang , Quansheng Wu , Hongming Weng

Charge and heat transport through a single molecule tunnel-coupled to external normal electrodes have been studied. The molecule with sufficiently strong interaction between lectrons and vibrational internal degrees of freedom can be…

Mesoscale and Nanoscale Physics · Physics 2012-04-16 Karol Izydor Wysokinski

We initiate a holographic model building approach to `strange metallic' phenomenology. Our model couples a neutral Lifshitz-invariant quantum critical theory, dual to a bulk gravitational background, to a finite density of gapped probe…

High Energy Physics - Theory · Physics 2010-05-12 Sean A. Hartnoll , Joseph Polchinski , Eva Silverstein , David Tong

We study holographic charge transport in (2+1) dimensions at finite $N$, whose dual gravity background is given by perturbative black hole solution in Einstein theory plus cubic terms of Weyl tensor. We consider the higher derivative…

High Energy Physics - Theory · Physics 2014-04-29 Shan Bai , Da-Wei Pang

We explore the magnetotransport and thermoelectric (Seebeck and Nernst coefficients) properties of Mn3SnC an antiperovskite magnetic Nodal line semimetal. Mn3SnC shows paramagnetic (PM) to concurrent antiferromagnetic (AFM)/ferromagnetic…

Strongly Correlated Electrons · Physics 2024-06-21 Sunil Gangwar , Sonika , C. S. Yadav

We establish the nonequilibrium thermal phases of a voltage driven antiferromagnetic Mott insulator in three dimensions, realised at steady state under a voltage bias. Starting from the Keldysh action for the half filled Hubbard model we…

Strongly Correlated Electrons · Physics 2022-03-01 Arijit Dutta , Pinaki Majumdar

We study nonlinear transport through a classical ballistic system accounting for the Coulomb interaction between electrons. The joint effect of the applied bias $V$ and magnetic field $H$ on the electron trajectories results in a component…

Mesoscale and Nanoscale Physics · Physics 2011-09-12 A. V. Andreev , L. I. Glazman

We investigate heat transport via a charged flexible chain in the presence of magnetic fields. We focus on the Nernst-like effect, where the average positions of particles deviate in the perpendicular direction to the heat flow. This…

Statistical Mechanics · Physics 2018-12-05 Shuji Tamaki , Keiji Saito