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Diffusive transport properties of a quantum Brownian particle moving in a tilted spatially periodic potential and strongly interacting with a thermostat are explored. Apart from the average stationary velocity, we foremost investigate the…

Statistical Mechanics · Physics 2009-11-11 L. Machura , M. Kostur , P. Talkner , J. Luczka , P. Hänggi

We investigate nonequilibrium effects in the transport of interacting electrons in quantum conductors, proposing the nonlocal thermoelectric response as a direct indicator of the presence of interactions, nonthermal states and the effect of…

Mesoscale and Nanoscale Physics · Physics 2024-05-10 Alessandro Braggio , Matteo Carrega , Björn Sothmann , Rafael Sánchez

Novel organic materials formed from functional molecules are attractive for various nanoelectronic applications because they are environmentally friendly, widely available and inexpensive. Recent advancement in bottom-up fabrication methods…

Mesoscale and Nanoscale Physics · Physics 2022-12-14 Abdalghani Daaoub , Renhang Wang , Ross Davidson , Sara Sangtarash , Hatef Sadeghi

Current-voltage measurements have been made at room temperature on a Si-rich silicon oxide film deposited via Electron-Cyclotron Resonance Plasma Enhanced Chemical Vapor Deposition (ECR-PECVD) and annealed at 750 - 1000$ ^\circ$C. The…

Materials Science · Physics 2007-05-23 X. D. Pi , O. H. Y. Zalloum , A. P. Knights , P. Mascher , P. J. Simpson

We propose a near-field inelastic thermoelectric heat engine where quantum-dots are used to effectively rectify the charge flow of photo-carriers. The device converts near-field heat radiation into useful electrical power. Heat absorption…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 Jian-Hua Jiang , Yoseph Imry

Nano-structuring is an extremely promising path to high performance thermoelectrics. Favorable improvements in thermal conductivity are attainable in many material systems, and theoretical work points to large improvements in electronic…

In the present work, we theoretically analyze the steady-state thermoelectric transport through a single-molecule junction with a vibrating bridge. Thermally induced charge current in the system is explored using a nonequilibrium Green's…

Mesoscale and Nanoscale Physics · Physics 2016-06-21 Natalya A. Zimbovskaya

We estimate the thermoelectric response, namely, the Seebeck and Nernst coefficients of a hot and deconfined plasma of quarks and gluons, created post ultrarelativistic heavy ion collisions in the presence of a weak, homogeneous background…

Nuclear Theory · Physics 2021-10-29 Debarshi Dey , Binoy Krishna Patra

A problem of the definition of the heat transported in thermomagnetic phenomena has been well realized in the late sixties, but not solved up to date. Ignoring this problem, numerous recent theories grossly overestimate the thermomagnetic…

Superconductivity · Physics 2007-08-08 A. Sergeev , M. Yu. Reizer , V. Mitin

We develop a microscopic theory of the spin Seebeck effect (SSE) at the interface of a bilayer system of a ferromagnetic insulator and graphene. We compare the tunneling spin current at the interface because of the SSE and the spin pumping…

Mesoscale and Nanoscale Physics · Physics 2024-12-25 Xin Hu , Yuya Ominato , Mamoru Matsuo

In condensed matter physics, transport measurements are essential not only for the characterization of materials, but also to discern between quantum phases and identify new ones. The extension of these measurements into atomic quantum…

Quantum Gases · Physics 2013-06-19 Eric L. Hazlett , Li-Chung Ha , Cheng Chin

We report measurements of the electrical resistivity ($\rho$) and thermoelectric power (S) in a thin film of strained single-crystalline $\alpha$-Sn grown by molecular beam epitaxy on an insulating substrate. The temperature (T) dependence…

Strongly Correlated Electrons · Physics 2024-06-03 Md Shahin Alam , Alexandr Kazakov , Mujeeb Ahmad , Rajibul Islam , Fei Xue , Marcin Matusiak

Quantum thermodynamics is a promising route to unambiguous detections of Majorana bound states. Being fundamentally different from quantum transport, this approach reveals unique Majorana thermodynamic behavior and deepens our insight into…

Mesoscale and Nanoscale Physics · Physics 2021-11-12 Sergey Smirnov

We theoretically investigate the Tunneling Anisotropic Magneto-Seebeck effect in a realistically-modeled CoPt|MgO|Pt tunnel junction using coherent transport calculations. For comparison we study the tunneling magneto-Seebeck effect in…

Mesoscale and Nanoscale Physics · Physics 2014-11-05 V. P. Amin , J. Zemen , J. Železný , T. Jungwirth , Jairo Sinova

Quasi-ballistic semiconductor quantum wires are exposed to localized perpendicular magnetic fields, also known as magnetic barriers. Pronounced, reproducible conductance fluctuations as a function of the magnetic barrier amplitude are…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. Hugger , Hengyi Xu , A. Tarasov , M. Cerchez , T. Heinzel , I. V. Zozoulenko , D. Reuter , A. D. Wieck

In this Letter we study thermoelectric effects in ultra small quantum dots. We study the behaviour of the thermopower, Peltier coefficient and thermal conductance both in the sequencial tunneling regime and in the regime where Kondo…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Daniel Boese , Rosario Fazio

The thermal conductivity of a quasiparticle (QP) system described by a relativistic four-fermion interaction model in the presence of an external magnetic field is calculated. It is shown that, for narrow width of quasiparticles, the…

High Energy Physics - Phenomenology · Physics 2009-11-07 E. J. Ferrer , V. P. Gusynin , V. de la Incera

Thermal transport through a Coulomb-blockade quantum dot (QD) coupled to two metallic leads is studied using five different approaches to the master equation in which sequential and coutuneling terms are taken into account. In the presence…

Mesoscale and Nanoscale Physics · Physics 2022-04-05 Taha Yasin Ahmed , Nzar Rauf Abdullah , Vidar Gudmundsson

We study a system composed of a quantum dot in contact with ferromagnetic leads, held at different temperatures. Spin analogues to the thermopower and thermoelectric figures of merit are defined and studied as a function of junction…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Y. Dubi , M. Di Ventra

We study the nonequilibrium energy transport across a topological insulator/superconductor junction, by deriving an interfacial heat current formula through scattering wave approach. Several anomalous thermal properties are uncovered, such…

Mesoscale and Nanoscale Physics · Physics 2013-04-25 Jie Ren , Jian-Xin Zhu