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Related papers: Thermal drag in electronic conductors

200 papers

We analyze cotunneling transport through two quantum dots in series weakly coupled to external ferromagnetic leads. In the Coulomb blockade regime the electric current flows due to third-order tunneling, while the second-order…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 I. Weymann

A quantum-dot thermal transistor consisting of three Coulomb-coupled quantum dots coupled to respective electronic reservoirs by tunnel contacts is established. The heat flows through the collector and emitter can be controlled by the…

Applied Physics · Physics 2018-11-29 Yanchao Zhang , Zhimin Yang , Xin Zhang , Bihong Lin , Guoxing Lin , Jincan Chen

We analyze the heat current traversing a quantum dot sandwiched between a ferromagnetic and a superconducting electrode. The heat flow generated in response to a voltage bias presents rectification as a function of the gate potential…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Sun-Yong Hwang , David Sanchez

I investigate the possibility of using Coulomb drag to detect a precursor of the predicted (but as yet not definitively observed) superfluid transition in electron-hole coupled quantum wells. The drag transresisitivity $\rho_{21}$ is shown…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ben Yu-Kuang Hu

We study drag effect in a system of two electrically isolated quantum point contacts (QPC), coupled by Coulomb interactions. Drag current exhibits maxima as a function of QPC gate voltages when the latter are tuned to the transitions…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Alex Levchenko , Alex Kamenev

We investigate thermal transport in a serial asymmetric double quantum dot (DQD) coupled to two electron reservoirs with different temperatures. The inter- and intra-Coulomb interactions are taken into account in a Coulomb blockade DQD…

Mesoscale and Nanoscale Physics · Physics 2022-07-12 Bashdar Rahman Pirot , Nzar Rauf Abdullah , Ari Karim Ahmed

We investigate the transport characteristics of a redox system weakly coupled to leads in the Coulomb blockade regime. The redox system comprises a donor and acceptor separated by an insulating bridge in a solution. It is modeled by a…

Strongly Correlated Electrons · Physics 2010-09-08 Sabine Tornow , Gertrud Zwicknagl

We calculated the Coulomb drag contribution to the resistivity and the transresistivity for a double layer system, in which the passive layer is a Wigner crystal pinned by impurities, and the active one is a metal. We found that in quasi…

Condensed Matter · Physics 2009-11-07 V. Braude , A. Stern

We develop a theory of fluctuation-driven phenomena in thermal transport in graphene double-layers. We work in the regime of electron hydrodynamics and focus on the double charge neutrality point. Although at the neutrality point charge…

Mesoscale and Nanoscale Physics · Physics 2022-09-20 Alex Levchenko , Songci Li , A. V. Andreev

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

The electrostatic interaction between two capacitively-coupled metal double-dots is studied at low temperatures. Experiments show that when the Coulomb blockade is lifted by applying appropriate gate biases to both double-dots, the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Geza Toth , Alexei O. Orlov , Islamshah Amlani , Craig S. Lent , Gary H. Bernstein , Gregory L. Snider

An electronic current driven through a conductor can induce a current in another conductor through the famous Coulomb drag effect. Similar phenomena have been reported at the interface between a moving fluid and a conductor, but their…

Mesoscale and Nanoscale Physics · Physics 2024-03-27 Baptiste Coquinot , Lydéric Bocquet , Nikita Kavokine

We review the mechanisms of low-temperature electron transport across a quantum dot weakly coupled to two conducting leads. Conduction in this case is controlled by the interaction between electrons. At temperatures moderately lower than…

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

We develop a theory of Coulomb drag in ultraclean double layers with strongly correlated carriers. In the regime where the equilibration length of the electron liquid is shorter than the interlayer spacing the main contribution to the…

Strongly Correlated Electrons · Physics 2015-06-18 S. S. Apostolov , A. Levchenko , A. V. Andreev

We theoretically study thermal transport in an electronic interferometer comprising a parallel circuit of two quantum dots, each of which has a tunable single electronic state which are connected to two leads at different temperature.As a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Sam Young Cho , Ross H. McKenzie

We have investigated within the theory of Fermi liquid dependence of Coulomb drag current in a passive quantum wire on the applied voltage $V$ across an active wire and on the temperature $T$ for any values of $eV/k_BT$. We assume that the…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 M. I. Muradov , V. L. Gurevich

We study thermoelectric transport through a serial double quantum dot (DQD) coupled to two metallic leads with different thermal energies. We take into account the electron sequential and cotunneling effects via different master equation…

Mesoscale and Nanoscale Physics · Physics 2022-05-31 Bashdar Rahman Pirot , Nzar Rauf Abdullah , Andrei Manolescu , Vidar Gudmundsson

We investigate the heat flow transport properties of a parallel-coupled double quantum-dot system connected to two reservoirs with a temperature bias in the Coulomb blockade regime. We demonstrate that the effects of thermal rectification…

Mesoscale and Nanoscale Physics · Physics 2021-09-15 Yanchao Zhang , Shanhe Su

We study the Coulomb drag between two single graphene sheets in intrinsic and extrinsic graphene systems with no interlayer tunneling. The general expression for the nonlinear susceptibility appropriate for single-layer graphene systems is…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Wang-Kong Tse , Ben Yu-Kuang Hu , S. Das Sarma

We study Coulomb drag between the top and bottom surfaces of topological insulator films. We derive a kinetic equation for the thin-film spin density matrix containing the full spin structure of the two-layer system, and analyze the…

Mesoscale and Nanoscale Physics · Physics 2016-01-12 Hong Liu , Weizhe Edward Liu , Dimitrie Culcer