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Nanocomposites are promising candidates for the next generation of thermoelectric materials since they exhibit extremely low thermal conductivities as a result of phonon scattering on the boundaries of the various material phases. The…

介观与纳米尺度物理 · 物理学 2017-12-06 Samuel Foster , Mischa Thesberg , Neophytos Neophytou

I consider the effect of the finite width of the resonant level on its thermodynamics and tunneling transport properties in the single electron charging regime. The finite width of the levels results from their delocalization with formation…

凝聚态物理 · 物理学 2008-02-03 V. Ponomarenko

We study the nonlinear thermoelectric cooling performance of a quantum spin Hall system. The setup consists of a nanomagnet contacting a Kramers' pair of helical edge states, resulting in a transmission probability with a rich structure…

介观与纳米尺度物理 · 物理学 2020-11-04 Fatemeh Hajiloo , Pablo Terrén Alonso , Nastaran Dashti , Liliana Arrachea , Janine Splettstoesser

Coupled double quantum dots (c-2QD) connected to leads have been widely adopted as prototype model systems to verify interference effects on quantum transport at the nanoscale. We provide here an analytic study of the thermoelectric…

介观与纳米尺度物理 · 物理学 2018-05-25 Guido Menichetti , Giuseppe Grosso , Giuseppe Pastori Parravicini

We study the problem of thermoelectricity and propose a simple microscopic mechanism for the increase of thermoelectric efficiency. We consider the cross transport of particles and energy in open classical ergodic billiards. We show that,…

统计力学 · 物理学 2011-09-08 Giulio Casati , Carlos Mejia-Monasterio , Tomaz Prosen

We investigate the transport properties of charge carriers in AB bilayer graphene through a triple electrostatic barrier. We calculate the transmission and reflection using the continuity conditions at the interfaces of the triple barrier…

介观与纳米尺度物理 · 物理学 2022-11-30 Mouhamadou Hassane Saley , Abderrahim El Mouhafid , Ahmed Jellal , Ahmed Siari

We study the thermoelectric properties of a Kramers pair of helical edge states of the quantum spin Hall effect coupled to a nanomagnet with a component of the magnetization perpendicular to the direction of the spin-orbit interaction of…

介观与纳米尺度物理 · 物理学 2019-11-06 Daniel Gresta , Mariano Real , Liliana Arrachea

Efficiency at maximum power (EMP) is a very important specification for a heat engine to evaluate the capacity of outputting adequate power with high efficiency. It has been proved theoretically that the limit EMP of thermoelectric heat…

介观与纳米尺度物理 · 物理学 2021-10-18 Xiaoguang Luo , Hexin Zhang , Dan Liu , Nannan Han , Dong Mei , Jinpeng Xu , Yingchun Cheng , Wei Huang

In this paper, we propose van del Waals heterostructure-based thermionic devices for the applications in cooling and power generation in the temperature range of 300 to 400 K. By using two-dimensional materials of low cross-plane thermal…

介观与纳米尺度物理 · 物理学 2015-09-07 Shi-Jun Liang , Lay Kee Ang

Using non-equilibrium Green's functions combined with many-body perturbation theory, we have calculated steady-state densities and currents through short interacting chains subject to a finite electric bias. By using a steady-state…

介观与纳米尺度物理 · 物理学 2016-04-18 Daniel Karlsson , Claudio Verdozzi

We study the nonequilibrium steady state thermodynamics of a photodevice which can operate as a solar cell or a photoconductor, depending on the degree of asymmetry of the junction. The thermodynamic efficiency is captured by a single…

量子物理 · 物理学 2025-03-10 Samuel L. Jacob , Artur M. Lacerda , Yonatan Dubi , John Goold

Efficient heat management at cryogenic temperatures is crucial for superconducting quantum technologies. This study demonstrates the controlled manipulation of the heat flow and heat rectification through an asymmetric superconducting…

介观与纳米尺度物理 · 物理学 2024-10-17 F. Antola , A. Braggio , G. De Simoni , F. Giazotto

We investigate the role of quantum coherence and higher harmonics resulting from multiple-path interference in nonlinear thermoelectricity in a two-terminal triangular triple-dot Aharonov-Bohm (AB) interferometer. We quantify the trade-off…

介观与纳米尺度物理 · 物理学 2025-07-04 Jayasmita Behera , Salil Bedkihal , Bijay Kumar Agarwalla , Malay Bandyopadhyay

We study energy transport in a system of two dimensional conformal field theories exchanging energy across a non-conformal interface involving a localised scalar operator, using holographic duality. By imposing the sourceless boundary…

高能物理 - 理论 · 物理学 2025-09-19 Yan Liu , Chuan-Yi Wang , You-Jie Zeng

The correlated couple of electrical and thermal property is the challenge to realize a substantial leap in thermoelectric materials.Synthesis of semiconductor and metal composites is a significant and versatile design strategy to optimize…

应用物理 · 物理学 2018-05-23 Wenwen Zheng , Peng Bi , Fengming Liu , Yong Liu , Jing Shi , Rui Xiong , Ziyu Wang

A new universality in optimization of trade-off between power and efficiency for low-dissipation Carnot cycles is presented. It is shown that any trade-off measure expressible in terms of efficiency and the ratio of power to its maximum…

统计力学 · 物理学 2016-05-05 Viktor Holubec , Artem Ryabov

Low dimensional structures have demonstrated improved thermoelectric (TE) performance because of a drastic reduction in their thermal conductivity, {\kappa}l. This has been observed for a variety of materials, even for traditionally poor…

材料科学 · 物理学 2012-01-31 Neophytos Neophytou , Hans Kosina

Diverse models of engines energised by quantum-coherent, hence non-thermal, baths allow the engine efficiency to transgress the standard thermodynamic Carnot bound. These transgressions call for an elucidation of the underlying mechanisms.…

We analytically derive maximum efficiency at given cooling power for Carnot-type low-dissipation refrigerators. The corresponding optimal cycle duration depends on a single parameter, which is a specific combination of irreversibility…

统计力学 · 物理学 2020-05-27 Viktor Holubec , Zhuolin Ye

We present an in-depth analysis of the sometimes understated role of the principle of energy conservation in linear irreversible thermodynamics. Our case study is that of a thermoelectric generator (TEG), which is a heat engine of choice in…

统计力学 · 物理学 2013-09-02 Yann Apertet , Henni Ouerdane , Christophe Goupil , Philippe Lecoeur