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相关论文: Thermal Gating of Charge Currents with Coulomb Cou…

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In this article we review the thermoelectric properties of three terminal devices with Coulomb coupled quantum dots (QDs) as observed in recent experiments [1,2]. The system we consider consists of two Coulomb-blockade QDs one of which can…

介观与纳米尺度物理 · 物理学 2016-11-17 Holger Thierschmann , Rafael Sánchez , Björn Sothmann , Hartmut Buhmann , Laurens W. Molenkamp

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…

应用物理 · 物理学 2018-11-29 Yanchao Zhang , Zhimin Yang , Xin Zhang , Bihong Lin , Guoxing Lin , Jincan Chen

We consider an interacting quantum dot connected to two reservoirs driven at distinct voltage/temperature and we study the correlations between charge and heat currents first as a function of the applied voltage bias, and second as a…

介观与纳米尺度物理 · 物理学 2015-10-05 Adeline Crépieux , Paul Eyméoud , Fabienne Michelini

We study the heat current through two capacitively coupled quantum dots coupled in series with two conducting leads at different temperatures $T_L$ and $T_R$ in the spinless case (valid for a high applied magnetic field). Our results are…

介观与纳米尺度物理 · 物理学 2020-02-19 A. A. Aligia , D. Pérez Daroca , L. Arrachea , P. Roura Bas

We demonstrate gate control of electronic heat flow in a thermally-biased single-quantum-dot junction. Electron temperature maps taken in the immediate vicinity of the junction, as a function of the gate and bias voltages applied to the…

介观与纳米尺度物理 · 物理学 2020-12-22 B. Dutta , D. Majidi , N. W. Talarico , N. Lo Gullo , C. B. Winkelmann , H. Courtois

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…

介观与纳米尺度物理 · 物理学 2007-05-23 M. Pustilnik , L. I. Glazman

We investigate non-equilibrium transport of charge and heat through an interacting quantum dot coupled to a finite electron reservoir. Both the quantum dot and the finite reservoir are coupled to conventional electric contacts, i.e.,…

介观与纳米尺度物理 · 物理学 2024-11-19 Stephanie Matern , Saulo V. Moreira , Peter Samuelsson , Martin Leijnse

The quantum dot arrays (QDAs) embedded into inhomogeneous nanowires connected to metallic electrodes show an electron heat rectification effect, which is attributed to the thermal voltage arising from a temperature bias and the QDA with a…

介观与纳米尺度物理 · 物理学 2017-06-22 David M T Kuo

We present measurements of the electron temperature using gate defined quantum dots formed in a GaAs 2D electron gas in both direct transport and charge sensing mode. Decent agreement with the refrigerator temperature was observed over a…

介观与纳米尺度物理 · 物理学 2015-09-08 D. Maradan , L. Casparis , T. -M. Liu , D. E. F. Biesinger , C. P. Scheller , D. M. Zumbühl , J. Zimmerman , A. C. Gossard

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…

介观与纳米尺度物理 · 物理学 2018-04-24 Sun-Yong Hwang , David Sanchez

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…

介观与纳米尺度物理 · 物理学 2007-05-23 L. I. Glazman , M. Pustilnik

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…

介观与纳米尺度物理 · 物理学 2021-09-15 Yanchao Zhang , Shanhe Su

We consider transport properties of a two dimensional topological insulator in a double quantum point contact geometry in presence of a time-dependent external field. In the proposed setup an external gate is placed above a single…

介观与纳米尺度物理 · 物理学 2017-03-15 F. Ronetti , M. Carrega , D. Ferraro , J. Rech , T. Jonckheere , T. Martin , M. Sassetti

We introduce a new functional nanoscale device, a single-electron heat diode, consisting of two quantum dots or metallic islands coupled to electronic reservoirs by tunnel contacts. Electron transport through the system is forbidden but the…

介观与纳米尺度物理 · 物理学 2011-06-21 Tomi Ruokola , Teemu Ojanen

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…

介观与纳米尺度物理 · 物理学 2009-11-10 Sam Young Cho , Ross H. McKenzie

We consider a quantum dot system whose charge fluctuations are monitored by a quantum point contact allowing for the detection of both charge and transferred heat statistics. Our system consists of two nearby conductors that exchange energy…

介观与纳米尺度物理 · 物理学 2013-12-24 Rafael Sánchez , Markus Büttiker

We study heat current and the full statistics of heat fluctuations in a capacitively-coupled double quantum dot system. This work is motivated by recent theoretical studies and experimental works on heat currents in quantum dot circuits. As…

介观与纳米尺度物理 · 物理学 2019-06-05 Hari Kumar Yadalam , Upendra Harbola

We study a system of two symmetrical capacitively coupled quantum dots, each coupled to its own metallic lead, focusing on its evolution as a function of the gate voltage applied to each dot. Using the numerical renormalization group and…

强关联电子 · 物理学 2007-05-23 Andrew K. Mitchell , Martin R. Galpin , David E. Logan

Orbital Kondo effect in a system of two single-level quantum dots attached to external electron reservoirs is considered theoretically. The dots are coupled via direct hoping term and Coulomb interaction. The Kondo temperature is evaluated…

介观与纳米尺度物理 · 物理学 2010-09-28 Piotr Trocha

In this work, we investigate the thermal quantum correlations in two coupled double semiconductor charge qubits. This is carried out by deriving analytical expressions for both the thermal concurrence and the correlated coherence. We study,…

量子物理 · 物理学 2023-07-19 Cleverson Filgueiras , Onofre Rojas , Moises Rojas
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