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A theoretical study of the thermoelectric current and energy harvesting in an interacting double quantum dot system, connected to reservoirs held at different chemical potentials and temperatures is presented. Using a rate-equation…

Mesoscale and Nanoscale Physics · Physics 2019-02-27 Yair Mazal , Yigal Meir , Yonatan Dubi

Using first-principles approaches, we have investigated the thermoelectric properties and the energy conversion efficiency of the paired metal-Br-Al junction. Owing to the narrow states in the vicinity of the chemical potential, the…

Mesoscale and Nanoscale Physics · Physics 2011-01-21 Yu-Shen Liu , Hsuan-Te Yao , Yu-Chang Chen

We consider the nonlinear scattering theory for three-terminal thermoelectric devices, used for power generation or refrigeration. Such systems are quantum phase-coherent versions of a thermocouple, and the theory applies to systems in…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 Robert S. Whitney

We propose a three terminal heat engine based on semiconductor superlattices for energy harvesting. The periodicity of the superlattice structure creates an energy miniband, giving an energy window for allowed electron transport. We find…

Mesoscale and Nanoscale Physics · Physics 2015-09-24 Yunjin Choi , Andrew N. Jordan

We analyze the power output of a quantum dot machine coupled to two electronic reservoirs via thermoelectric contacts, and to two thermal reservoirs - one hot and one cold. This machine is a nanoscale analogue of a conventional thermocouple…

Mesoscale and Nanoscale Physics · Physics 2016-11-11 Robert. S. Whitney , Rafael Sánchez , Federica Haupt , Janine Splettstoesser

Quantum thermal devices which can manage heat as their electronic analogues for the electronic currents have attracted increasing attention. Here a three-terminal quantum thermal device is designed by three coupling qubits interacting with…

Quantum Physics · Physics 2019-03-12 Bao-qing Guo , Tong Liu , Chang-shui Yu

We review recent developments in nonlinear quantum transport through nanostructures and mesoscopic systems driven by thermal gradients or in combination with voltage biases. Low-dimensional conductors are excellent platforms to analyze both…

Mesoscale and Nanoscale Physics · Physics 2016-11-14 David Sanchez , Rosa Lopez

The spin Seebeck effect is studied across a charge insulating magnetic junction, in which thermal-spin conjugate transport is assisted by the exchange interactions between the localized spin in the center and electrons in metallic leads. We…

Mesoscale and Nanoscale Physics · Physics 2014-06-23 Jie Ren , Jonas Fransson , Jian-Xin Zhu

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

Coherent charge and heat transport through periodically driven nanodevices provide a platform for studying thermoelectric effects on the nanoscale. Here we study a junction comprising a quantum dot connected to two fermionic terminals by…

Mesoscale and Nanoscale Physics · Physics 2024-04-03 Debashree Chowdhury , O. Entin-Wohlman , A. Aharony

We investigate direct energy and heat transfer between two distant sites of a triple quantum dot connected to reservoirs, where one of the edge dots is driven by an ac-gate voltage. We theoretically propose how to implement heat and cooling…

Mesoscale and Nanoscale Physics · Physics 2017-02-07 Fernando Gallego-Marcos , Gloria Platero

Heat dissipation is one of the most serious problems in modern integrated electronics with the continuously decreasing devices size. Large portion of the consumed power is inevitably dissipated in the form of waste heat which not only…

Applied Physics · Physics 2021-07-21 Xue Gong , Ruijie Qian , Huanyi Xue , Weikang Lu , Zhenghua An

We investigate the heat flow between different terminals in an interacting coherent conductor when inelastic scattering is present. We illustrate our theory with a two-terminal quantum dot setup. Two types of heat asymmetries are…

Mesoscale and Nanoscale Physics · Physics 2015-05-04 Javier Arguello-Luengo , David Sanchez , Rosa Lopez

The performance of thermoelectric energy harvesters can be improved by nanostructures that exploit inelastic transport processes. One prototype is the three-terminal hopping thermoelectric device where electron hopping between quantum-dots…

Mesoscale and Nanoscale Physics · Physics 2016-08-25 Lijie Li , Jian-Hua Jiang

In this article we review aspects of charge and heat transport in interacting quantum dots and molecular junctions under stationary and time-dependent non-equilibrium conditions due to finite electrical and thermal bias. In particular, we…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 F. Haupt , M. Leijnse , H. L. Calvo , L. Classen , J. Splettstoesser , M. R. Wegewijs

Studies of thermally induced transport in nanostructures provide access to an exciting regime where fluctuations are relevant, enabling the investigation of fundamental thermodynamic concepts and the realization of thermal energy…

Mesoscale and Nanoscale Physics · Physics 2021-02-09 Sven Dorsch , Artis Svilans , Martin Josefsson , Bahareh Goldozian , Mukesh Kumar , Claes Thelander , Andreas Wacker , Adam Burke

Three-terminal coherent conductors are able to perform as quantum thermocouples when the heat absorbed from one terminal is transformed into useful power in the other two. Allowing for a phase coherent coupling to the heat source, we…

Mesoscale and Nanoscale Physics · Physics 2024-01-26 José Balduque , Rafael Sánchez

We propose a highly efficient thermoelectric diode device built from the coupling of a quantum dot with a normal or ferromagnetic electrode and a superconducting reservoir. The current shows a strongly nonlinear behavior in the forward…

Mesoscale and Nanoscale Physics · Physics 2016-09-16 Sun-Yong Hwang , David Sanchez , Rosa Lopez

We analyze the full-counting statistics of the electric heat current flowing in a two-terminal quantum conductor whose temperature is probed by a third electrode ("probe electrode"). In particular we demonstrate that the cumulant-generating…

Mesoscale and Nanoscale Physics · Physics 2014-05-26 Y. Utsumi , O. Entin-Wohlman , A. Aharony , T. Kubo , Y. Tokura

We investigate charge and energy transport in a three-terminal quantum Hall conductor. The peculiar properties of chiral propagation along the edges of the sample have important consequences on the response to thermal biases. Based on the…

Mesoscale and Nanoscale Physics · Physics 2015-07-13 Rafael Sánchez , Björn Sothmann , Andrew N. Jordan