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We investigate nonlinear thermoelectric transport through quantum impurity systems with strong on-site interactions. We show that the steady-state transport through interacting quantum impurities in contact with electron reservoirs at…

强关联电子 · 物理学 2014-01-03 Prasenjit Dutt , Karyn Le Hur

In conductor-insulator composites in which the conducting particles are dispersed in an insulating continuous matrix the electrical connectedness is established by interparticle quantum tunneling. A recent formulation of the transport…

无序系统与神经网络 · 物理学 2015-05-20 B. Nigro , G. Ambrosetti , C. Grimaldi , T. Maeder , P. Ryser

In our short review, we consider the transport properties of strongly correlated Fermi systems like heavy fermion metals and high-$T_c$ superconductors. Their transport properties are defined by strong inter-particle interaction forming…

强关联电子 · 物理学 2023-11-16 V. R. Shaginyan , A. Z. Msezane , M. V. Zverev

Transport across heterogeneous, patchy environments is a ubiquitous phenomenon spanning fields of study including ecological movement, intracellular transport and regions of specialised function in a cell. These regions or patches may be…

统计力学 · 物理学 2017-10-06 Sergei Fedotov , Helena Stage

The paper examines a trapped one-dimensional system of multicomponent spinless fermions that interact with a zero-range two-body potential. We show that when the repulsion between particles is very large the system can be approached…

The laws of thermodynamics require any initial macroscopic inhomogeneity in extended many-body systems to be smoothed out by the time evolution through the activation of transport processes. In generic, non-integrable quantum systems,…

We elucidate the multi-particle transport of pair- and spin-tunnelings in strongly correlated interfaces. Not only usual single-particle tunneling but also interaction-induced multi-particle tunneling processes naturally arise from a…

量子气体 · 物理学 2024-03-20 Hiroyuki Tajima , Daigo Oue , Mamoru Matsuo

We study transport and relaxation of spinless fermions with long-range Coulomb interactions at high temperatures through numerical simulations of out-of-equilibrium dynamics. We find that the transport and relaxation are continuously…

强关联电子 · 物理学 2023-08-02 Zhi-hua Li

Lectures deal with the theory of electronic transport, in particular with the electrical conductivity, in systems dominated by strong electron-electron repulsion. The concept of charge stiffness is introduced to distinguish conductors and…

强关联电子 · 物理学 2009-11-07 P. Prelovsek , X. Zotos

The cuprate superconductors and certain organic conductors exhibit transport which is qualitatively anisotropic, yet at the same time other properties of these materials strongly suggest the existence of a Fermi surface and low energy…

凝聚态物理 · 物理学 2009-10-28 S. P. Strong , David G. Clarke

Recently, strong coupling between non-Hermitian physical systems of different nature is widely investigated due to it endows them with new properties. In this work, we investigate the energy transport between strongly coupled systems. We…

量子物理 · 物理学 2022-11-17 I. V. Vovcenko , A. A. Zyablovsky , A. A. Pukhov , E. S. Andrianov

A set of stacked two-dimensional electron systems in a perpendicular magnetic field exhibits a three-dimensional version of the quantum Hall effect if interlayer tunneling is not too strong. When such a sample is in a quantum Hall plateau,…

介观与纳米尺度物理 · 物理学 2009-11-11 J. W. Tomlinson , J. -S. Caux , J. T. Chalker

We study the transport properties of a long non-uniform quantum wire where the electron-electron interactions and the density vary smoothly at large length scales. We show that these inhomogeneities lead to a finite resistivity of the wire,…

介观与纳米尺度物理 · 物理学 2008-04-08 J. Rech , K. A. Matveev

We study quantum transport in disordered systems with particle-hole symmetric Hamiltonians. The particle-hole symmetry is spontaneously broken after averaging with respect to disorder, and the resulting massless mode is treated in a…

无序系统与神经网络 · 物理学 2021-09-09 Ipsita Mandal , Klaus Ziegler

Temperature dependent transport of disordered electronic systems is examined in the presence of strong correlations. In contrast to what is assumed in Fermi liquid approaches, finite temperature behavior in this regime proves largely…

强关联电子 · 物理学 2007-05-23 M. C. O. Aguiar , E. Miranda , V. Dobrosavljevic , E. Abrahams , G. Kotliar

Cosmic magnetic fields are typically inhomogeneous and often highly tangled due to large-scale plasma flows, turbulence, and instabilities. If the variations in the magnetic field occur on scales that are large compared to the gyro-radius…

Thermodynamic transport phenomena in the system consisting of many hard-disks confined in a circular tube with a temperature difference are discussed. Here, temperatures on parts of the walls of the tube are imposed by stochastic boundary…

统计力学 · 物理学 2018-10-05 Tooru Taniguchi , Colin Bain McRae , Shin-ichi Sawada

In the full-orbit particle simulations of energetic particle transport in plasmas, the plasma turbulence is typically described as a homogeneous superposition of linear Fourier modes. The turbulence evolution is, however, typically a…

太阳与恒星天体物理 · 物理学 2012-04-03 Timo Laitinen , Silvia Dalla , James Kelly

Ion transport in biological tissues is crucial in the study of many biological and pathological problems. Some multi-cellular structures, like smooth muscles on the vessel walls, could be treated as periodic bi-domain structures, which…

偏微分方程分析 · 数学 2021-03-11 Chun Xiao , Xingye Yue , Huaxiong Huang , Shixin Xu

We investigate the thermodynamics of simple (non-interacting) transport models beyond the scope of weak coupling. For a single fermionic or bosonic level -- tunnel-coupled to two reservoirs -- exact expressions for the stationary matter and…

统计力学 · 物理学 2015-07-20 Gabriel E. Topp , Tobias Brandes , Gernot Schaller
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