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We study the charge and heat transport through the correlated quantum dot with a finite value of the charging energy U \neq \infty . The Kondo resonance appearing at temperatures below T_K is responsible for several qualitative changes of…

强关联电子 · 物理学 2007-05-23 A. Donabidowicz , T. Domanski , K. I. Wysokinski

We consider the Johnson noise of a two-dimensional, two-terminal electrical conductor for which the electron system obeys the Wiedemann-Franz law. We derive two simple and generic relations between the Johnson Noise temperature and the heat…

介观与纳米尺度物理 · 物理学 2021-10-22 Calvin Pozderac , Brian Skinner

Thermoelectric phenomena resulting from an interplay between particle flows induced by electric fields and temperature inhomogeneities are extremely insightful as a tool providing substantial knowledge about the microscopic structure of a…

介观与纳米尺度物理 · 物理学 2018-04-27 Sergey Smirnov

We investigate theoretically the thermoelectric transport through a circuit implementation of the three-channel "charge" Kondo model quantum simulator [Z. Iftikhar et al., Science 360, 1315 (2018)]. The universal temperature scaling law of…

介观与纳米尺度物理 · 物理学 2020-07-09 T. K. T. Nguyen , M. N. Kiselev

The Wiedemann-Franz (WF) law dictates a universal ratio between thermal and electrical conductivities, is widely obeyed by Fermi liquid systems. Here, we identify a fundamental yet often overlooked, thermodynamic mechanism for the violation…

介观与纳米尺度物理 · 物理学 2026-03-13 YuanDong Wang , Zhen-Gang Zhu

We discuss the temperature-dependent thermoelectric transport properties of semiconductor nanostructures comprising a quantum dot coupled to quantum wires: the thermal dependence of the electrical conductance, thermal conductance, and…

介观与纳米尺度物理 · 物理学 2021-02-17 D. F. Aranguren-Quintero , E. Ramos , J. Silva-Valencia , M. S. Figueira , L. N. Oliveira , R. Franco

I discuss thermoelectric properties of a quantum dot coupled to one normal and one superconducting lead in the presence of Kondo effect and Andreev scattering. I will focus on conductance, thermal conductance, thermopower and related…

介观与纳米尺度物理 · 物理学 2008-10-07 Mariusz Krawiec

We study energy and particle transport for one-dimensional strongly interacting bosons through a single channel connecting two atomic reservoirs. We show the emergence of particle- and energy- current separation, leading to the violation of…

量子气体 · 物理学 2016-01-13 Michele Filippone , Frank Hekking , Anna Minguzzi

The thermoelectric transport properties of nanostructured devices continue to attract attention from theorists and experimentalist alike as the spatial confinement allows for a controlled approach to transport properties of correlated…

强关联电子 · 物理学 2015-06-12 Stefan Kirchner , Farzaneh Zamani , Enrique Muñoz

We analyze the charge and thermal transport at a junction of interacting quantum wires close to equilibrium. Within the framework of Tomonaga-Luttinger liquids, we compute the thermal conductance for a wide class of boundary conditions and…

介观与纳米尺度物理 · 物理学 2022-01-24 D. Giuliano , A. Nava , R. Egger , P. Sodano , F. Buccheri

We present a microscopic theory of heat and particle transport of an interacting, low temperature Bose-Einstein condensate in a quantum point contact. We show that, in contrast to charged, fermionic superconductors, bosonic systems feature…

量子气体 · 物理学 2020-06-05 Shun Uchino , Jean-Philippe Brantut

The Wiedemann--Franz law, which determines the universality of the ratio of thermal conductivity to electrical conductivity, is studied in the hydrodynamic electron transport regime, where electron--electron scattering predominates over…

介观与纳米尺度物理 · 物理学 2026-04-15 Yu. A. Pusep , M. A. T. Patricio , M. M. Glazov , V. A. Oliveira , M. D. Teodoro , A. D. Levin , A. K. Bakarov , G. M. Gusev

We consider the singular electron-electron interaction corrections to the transport coefficients in disordered metals to test the validity of the Wiedemann-Franz law. We develop a local, quantum kinetic equation approach in which the charge…

无序系统与神经网络 · 物理学 2008-09-25 G. Catelani , I. L. Aleiner

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…

介观与纳米尺度物理 · 物理学 2009-11-07 Daniel Boese , Rosario Fazio

Heat and charge transport characteristics of nanocolloids have been bridged from fundamental analysis. The relationship between the two transport phenomena in dielectric nanostructure based polar colloids has been quantitatively presented.…

软凝聚态物质 · 物理学 2016-06-08 Purbarun Dhar , Arvind Pattamatta , Sarit K. Das

We study electric, thermal, and thermoelectric conductivities in the vicinity of a z=2 superconductor-diffusive metal transition in two dimensions, both in the high and low frequency limits. We find violation of the Wiedemann-Franz law and…

强关联电子 · 物理学 2013-05-29 Daniel Podolsky , Ashvin Vishwanath , Joel Moore , Subir Sachdev

We investigate fluctuations of electric and heat currents, along with their cross-correlations, in a two-channel charge Kondo circuit driven by either a voltage bias or a temperature gradient applied across the weak link. The ratios of…

介观与纳米尺度物理 · 物理学 2026-04-22 T. K. T. Nguyen , J. Rech , T. Martin , M. N. Kiselev

We present the theory of thermoelectric transport in metals with long-lived quasiparticles, carefully addressing the interplay of electron-electron scattering as well as electron-impurity scattering, but neglecting electron-phonon…

强关联电子 · 物理学 2018-06-27 Andrew Lucas , Sankar Das Sarma

Charge and heat transport through a single molecule tunnel-coupled to external normal electrodes have been studied. The molecule with sufficiently strong interaction between lectrons and vibrational internal degrees of freedom can be…

介观与纳米尺度物理 · 物理学 2012-04-16 Karol Izydor Wysokinski

Following a theoretical proposal on multi-impurity charge Kondo circuits [T. K. T. Nguyen and M. N. Kiselev, Phys. Rev. B {\bf 97}, 085403 (2018)] and the experimental breakthrough in fabrication of the two-site Kondo simulator [W. Pouse…

强关联电子 · 物理学 2024-03-22 T. K. T. Nguyen , H. Q. Nguyen , M. N. Kiselev
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