English
Related papers

Related papers: Coulomb drag in intermediate magnetic fields

200 papers

Coulomb drag between two unhybridized graphene sheets separated by a dielectric spacer has recently attracted considerable theoretical interest. We first review, for the sake of completeness, the main analytical results which have been…

Strongly Correlated Electrons · Physics 2012-06-27 M. Carrega , T. Tudorovskiy , A. Principi , M. I. Katsnelson , Marco Polini

The Coulomb contribution to the temperature-dependent rate of momentum transfer, $1/\tau_D$, between two electron systems in parallel layers is determined by setting up two coupled Boltzmann equations, with the boundary condition that no…

Condensed Matter · Physics 2009-10-22 Antti-Pekka Jauho , Henrik Smith

We review the fabrication and key transport properties of graphene double layers, consisting of two graphene monolayers placed in close proximity, independently contacted, and separated by an ultra-thin dielectric. We outline a simple band…

Mesoscale and Nanoscale Physics · Physics 2012-06-14 Seyoung Kim , Emanuel Tutuc

We develop a microscopic theory of the Coulomb drag effect in a hybrid system consisting of spatially separated two-dimensional quantum gases of degenerate electrons and dipolar excitons. We consider both the normal-phase and condensate…

Mesoscale and Nanoscale Physics · Physics 2019-04-17 M. V. Boev , V. M. Kovalev , I. G. Savenko

We consider Coulomb drag between two layers of two-dimensional electron gases subject to a strong magnetic field, with the Landau level filling factor in each layer being 1/2. We find $\rho_D$ to be very large, as compared to the zero…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Ady Stern , Iddo Ussishkin

We study the effect of Coulomb drag between two closely positioned graphene monolayers. In the limit of weak electron-electron interaction and small inter-layer spacing ($\mu_{1(2)}, T\ll v/d$) the drag is described by a universal function…

Mesoscale and Nanoscale Physics · Physics 2012-08-07 B. N. Narozhny , M. Titov , I. V. Gornyi , P. M. Ostrovsky

We demonstrate that in a wide range of temperatures Coulomb drag between two weakly coupled quantum wires is dominated by processes with a small interwire momentum transfer. Such processes, not accounted for in the conventional Luttinger…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Pustilnik , E. G. Mishchenko , L. I. Glazman , A. V. Andreev

We consider mesoscopic fluctuations of Coulomb drag transresistivity between two layers at a Landau level filling factor $\nu=1/2$ each. We find that at low temperature sample to sample fluctuations exceed both the ensemble average and the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 B. N. Narozhny , I. L. Aleiner , Ady Stern

Coulomb interaction between two closely spaced parallel layers of electron system can generate the frictional drag effect by interlayer Coulomb scattering. Employing graphene double layers separated by few layer hexagonal boron nitride…

Mesoscale and Nanoscale Physics · Physics 2017-08-09 Xiaomeng Liu , Lei Wang , Kin Chung Fong , Yuanda Gao , Patrick Maher , Kenji Watanabe , Takashi Taniguchi , James Hone , Cory Dean , Philip Kim

Coulomb drag between parallel two-dimensional electronic layers is an excellent tool for the study of electron-electron interactions. In actual experiments, the layers display spatial charge density fluctuations due to imperfections such as…

Mesoscale and Nanoscale Physics · Physics 2020-05-18 Derek Y. H. Ho , Indra Yudhistira , Ben Yu-Kuang Hu , Shaffique Adam

Lateral charge transport of a two-dimensional (2D) electronic system can be much influenced by feeding a current into another closely spaced 2D conductor, known as the Coulomb drag phenomenon -- a powerful probe of electron-electron…

Mesoscale and Nanoscale Physics · Physics 2025-03-04 Yingjia Liu , Kaining Yang , Kenji Watanabe , Takashi Taniguchi , Wencai Ren , Zheng Vitto Han , Siwen Zhao

We consider the Coulomb drag between two two-dimensional electron layers at filling factor \nu = 1/2 each, using a strong coupling approach within the composite fermion picture. Due to an attractive interlayer interaction, composite…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Iddo Ussishkin , Ady Stern

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

The Coulomb drag is a many-body effect observed in proximized low-dimensional systems. It appears as emergence of voltage in one of them upon passage of bias current in another. The magnitude of drag voltage can be strongly affected by…

Mesoscale and Nanoscale Physics · Physics 2024-11-22 Ilya Safonov , Aleksandr S. Petrov , Dmitry Svintsov

We study the energy-transfer rate for electrons in a double-quantum-well structure, where the layers are coupled through screened Coulomb interactions. The energy-transfer rate between the layers (similar to the Coulomb drag effect in which…

Condensed Matter · Physics 2009-11-07 R. T. Senger , B. Tanatar

We study the Coulomb drag between two strange-metal layers using the Einstein-Maxwell-Dilaton model from holography. We show that the low-temperature dependence of the drag resistivity is $\rho_D \propto T^4$, which strongly deviates from…

Strongly Correlated Electrons · Physics 2022-11-15 Enea Mauri , H. T. C. Stoof

We theoretically predict that the motion of a polar crystalline layer between two graphene planes exerts Coulomb drag on electrons in graphene, inducing a DC drag current. The physical mechanism underlying this drag arises from intervalley…

Mesoscale and Nanoscale Physics · Physics 2025-01-03 A. L. Chudnovskiy

The mutual influence of two layers with strongly loclized electrons is exercised through the random Coulomb shifts of site energies in one layer caused by electron hops in the other layer. We trace how these shifts give rise to a voltage…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. E. Raikh , Felix von Oppen

In Coulomb drag, a current flowing in one conductor can induce a voltage across an adjacent conductor via the Coulomb interaction. The mechanisms yielding drag effects are not always understood, even though drag effects are sufficiently…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 A. J. Keller , J. S. Lim , David Sánchez , Rosa López , S. Amasha , J. A. Katine , Hadas Shtrikman , D. Goldhaber-Gordon

Coulomb drag is a transport phenomenon whereby long-range Coulomb interaction between charge carriers in two closely spaced but electrically isolated conductors induces a voltage (or, in a closed circuit, a current) in one of the conductors…

Mesoscale and Nanoscale Physics · Physics 2016-05-25 B. N. Narozhny , A. Levchenko