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We introduce a distinctive feature of spin-polarized transport, the Spin Coulomb Drag: there is an intrinsic source of friction for spin currents due to the Coulomb interaction between spin ``up'' and spin ``down'' electrons. We calculate…

Strongly Correlated Electrons · Physics 2007-05-23 Irene D'Amico , Giovanni Vignale

Coulomb drag experiments have been an essential tool to study strongly interacting low-dimensional systems. Historically, this effect has been explained in terms of momentum transfer between electrons in the active and the passive layer.…

Mesoscale and Nanoscale Physics · Physics 2024-02-05 R. Makaju , H. Kassar , S. M. Daloglu , A. Huynh , A. Levchenko , S. J. Addamane , D. Laroche

We review mechanisms of low-temperature electronic transport through a quantum dot weakly coupled to two conducting leads. Transport in this case is dominated by electron-electron interaction. At temperatures moderately lower than the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Pustilnik , L. I. Glazman

It is shown that the Coulomb drag between two identical layers in the Anderson insulting state indicates a striking difference between the Mott and Efros-Shklovskii (ES) insulators. In the former, the trans-resistance $\rho_t$ is…

Condensed Matter · Physics 2009-10-30 Efrat Shimshoni

Coulomb coupling between proximal layers in graphene heterostructures results in efficient energy transfer between the layers. We predict that, in the presence of correlated density inhomogeneities in the layers, vertical energy transfer…

Mesoscale and Nanoscale Physics · Physics 2013-04-24 Justin C. W. Song , Leonid S. Levitov

We consider the problem of Coulomb drag resistance in bilayers of electron liquids with spontaneously broken time-reversal symmetry. In the hydrodynamic regime, the viscosity tensor of such fluids has a nonvanishing odd component. In this…

Mesoscale and Nanoscale Physics · Physics 2025-07-14 Dmitry Zverevich , Dmitri B. Gutman , Alex Levchenko

Coulomb drag between parallel quantum wells provides a uniquely sensitive measurement of electron correlations since the drag response depends on interactions only. Recently it has been demonstrated that a new regime of strong interactions…

Mesoscale and Nanoscale Physics · Physics 2016-07-20 J. I. A. Li , T. Taniguchi , K. Watanabe , J. Hone , A. Levchenko , C. R. Dean

Two-dimensional (2D) materials have shown great potential in applications as transistors, where thermal dissipation becomes crucial because of the increasing energy density. Although thermal conductivity of 2D materials has been extensively…

Materials Science · Physics 2024-05-06 Yujie Quan , Bolin Liao

Coulomb drag is a powerful tool to study interactions in coupled low-dimensional systems. Historically, Coulomb drag has been attributed to a frictional force arising from momentum transfer whose direction is dictated by the current flow.…

Mesoscale and Nanoscale Physics · Physics 2026-03-25 Mingyang Zheng , Rebika Makaju , Rasul Gazizulin , Sadhvikas J. Addamane , D. Laroche

We address Coulomb drag and near-field heat transfer in a double-layer system of incoherent metals. Each layer is modeled by an array of tunnel-coupled SYK dots with random inter-layer interactions. Depending on the strength of intra-dot…

Strongly Correlated Electrons · Physics 2023-09-08 A. L. Chudnovskiy , Alex Levchenko , Alex Kamenev

The Coulomb drag between two spatially separated, 2 \mu m long lithographically defined quantum wires has been studied experimentally in the absence of interwire tunneling. The drag resistance R_D shows peaks when the 1D subband bottoms of…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 P. Debray , V. Zverev , R. Klesse , E. Raichev , P. Vasilopoulos , M. Rahman

Long range Coulomb interaction between the edges of a Hall bar changes the nature of the gapless edge excitations. Instead of independent modes propagating in opposite directions on each edge as expected for a short range interaction one…

Condensed Matter · Physics 2009-10-28 Dror Orgad , Shimon Levit

We study the way back-scattering electron--electron interaction generates Coulomb drag between quantum wires with different densities. At low temperature $T$ the system can undergo a commensurate-- incommensurate transition as the potential…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Thomas Fuchs , Rochus Klesse , Ady Stern

We calculate the effect of Coulomb interactions on the average density of states nu (omega) of two-dimensional disordered electrons. It is shown that for weak disorder the most singular terms in the perturbative expansion of nu (omega) can…

Strongly Correlated Electrons · Physics 2009-10-31 Peter Kopietz

We study the temperature dependence of the conductivity of the 2D electronic solid. In realistic samples, a domain structure forms in the solid and each domain randomly orients in the absence of the in-plane field. At higher temperature,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Shi-Jie Yang , Yue Yu

We consider two-dimensional spin-polarized dipolar Fermi gases confined in a double-layer system and calculate the momentum transfer between the layers as a function of temperature to investigate the transport properties of the system. We…

Quantum Gases · Physics 2024-06-14 B. Renklioglu , Ben Yu-Kuang Hu , M. O. Oktel , B. Tanatar

For a system of two spatially separated monoatomic graphene layers encapsulated in hexagonal boron nitride, we consider the drag effect between charge carriers in the Fermi liquid regime. Commonly, the phenomenon is described in terms of an…

Mesoscale and Nanoscale Physics · Physics 2012-10-02 Bruno Amorim , Jürgen Schiefele , Fernando Sols , Francisco Guinea

We consider transport of dilute two-dimensional electrons, with temperature between Fermi and Debye temperatures. In this regime, electrons form a nondegenerate plasma with mobility limited by potential disorder. Different kinds of…

Mesoscale and Nanoscale Physics · Physics 2009-06-11 D. S. Novikov

Starting from the beginning of their research in the early 2000's, the ultracold plasmas were considered as a promising tool to achieve considerable values of the Coulomb coupling parameter for electrons. Unfortunately, this was found to be…

Plasma Physics · Physics 2023-12-29 Yurii V. Dumin , Anastasiia T. Lukashenko

Tunnelling between two-dimensional electron systems has been studied in the magnetic field perpendicular to the systems planes. The satellite conductance peaks of the main resonance have been observed due to the electron tunnelling assisted…

Mesoscale and Nanoscale Physics · Physics 2007-07-10 V. G. Popov , Yu. V. Dubrovskii , J. -C. Portal