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We extract electron transport properties from atomistic simulations of a two-component plasma, by mapping the long-wavelength behaviour to a two-fluid model. The mapping procedure is performed via Markov Chain Monte Carlo sampling over…

等离子体物理 · 物理学 2024-10-14 Pontus Svensson , Patrick Hollebon , Daniel Plummer , Sam M. Vinko , Gianluca Gregori

We present a systematic definition and analysis of the thermo-electric linear response in gauge/gravity systems focusing especially on models with massive gravity in the bulk and therefore momentum dissipation in the dual field theory. A…

高能物理 - 理论 · 物理学 2014-10-08 Andrea Amoretti , Alessandro Braggio , Nicola Maggiore , Nicodemo Magnoli , Daniele Musso

Nonintegrability plays a crucial role in thermalization and transport processes in many-body Hamiltonian systems, yet its quantitative effects remain unclear. To reveal the connection between the macroscopic relaxation properties and the…

统计力学 · 物理学 2023-10-20 Weicheng Fu , Zhen Wang , Yisen Wang , Yong Zhang , Hong Zhao

We study a system composed of two quantum dots connected in series between two leads at different temperatures, in the limit of large intratomic repulsion. Using the non-crossing approximation, we calculate the spectral densities at both…

介观与纳米尺度物理 · 物理学 2023-10-11 Diego Pérez Daroca , Pablo Roura-Bas , Armando A. Aligia

The flow of an electrically conducting fluid in a thin disc under the action of an azimuthal Lorentz force is studied experimentally. At small forcing, the Lorentz force is balanced by either viscosity or inertia, yielding quasi-Keplerian…

流体动力学 · 物理学 2021-09-14 Marlone Vernet , Michael Pereira , Stephan Fauve , Christophe Gissinger

We study the thermoelectric transport properties of a three-dimensional massive relativistic fermion gas with screened Coulomb impurities in high magnetic fields where only the lowest Landau levels contribute to the transport. Our results…

介观与纳米尺度物理 · 物理学 2019-11-06 Viktor Könye , Masao Ogata

We develop the theory of hydrodynamic charge and heat transport in strongly interacting quasi-relativistic systems on manifolds with inhomogeneous spatial curvature. In solid-state physics, this is analogous to strain disorder in the…

强关联电子 · 物理学 2017-08-30 Vincenzo Scopelliti , Koenraad Schalm , Andrew Lucas

We study electron transport in composite ferroelectrics --- materials consisting of metallic grains embedded in a ferroelectric matrix. Due to its complex tunable morphology the thermodynamic properties of these materials can be essentially…

介观与纳米尺度物理 · 物理学 2013-12-31 O. G. Udalov , A. Glatz , I. S. Beloborodov

Thermoelectric devices are heat engines, which operate as generators or refrigerators using the conduction electrons as a working fluid. The thermoelectric heat-to-work conversion efficiency has always been typically quite low, but much…

统计力学 · 物理学 2016-11-11 G. Benenti , H. Ouerdane , C. Goupil

We obtain hydrodynamic descriptions of a broad class of conserved-mass transport processes on a ring. These processes are governed by chipping, diffusion and coalescence of masses, where microscopic probability weights in their…

统计力学 · 物理学 2017-07-06 Arghya Das , Anupam Kundu , Punyabrata Pradhan

Fluid dynamics accompanies with the entropy production thus increases the local temperature, which plays an important role in charged systems such as the ion channel in biological environment and electrodiffusion in capacitors/batteries. In…

流体动力学 · 物理学 2017-11-09 Pei Liu , Simo Wu , Chun Liu

The magnetotransport properties of a two-dimensional electron liquid in graphene are analyzed in the hydrodynamic limit under isothermal conditions. It is shown that the Wiedemann-Franz law does not hold in this regime and that the Lorenz…

介观与纳米尺度物理 · 物理学 2025-06-05 Alex Levchenko

In high-quality conductors, the hydrodynamic regime of electron transport has been recently realized. In this work we theoretically investigate magnetotransport of a viscous electron fluid in samples with electron-impermeable obstacles. We…

介观与纳米尺度物理 · 物理学 2023-08-01 P. S. Alekseev , A. P. Dmitriev

We study thermal transport in a one-dimensional (1d) interacting electron gas, employing the Luttinger liquid model. Both thermal conductance and thermopower are analyzed for a pure 1d gas and with impurities. The universal ratio of…

凝聚态物理 · 物理学 2009-10-28 C. L. Kane , Matthew P. A. Fisher

We reveal a dramatic departure of electron thermodiffusion in solids relative to the commonly accepted picture of the ideal free-electron gas model. In particular, we show that the interaction with the lattice and impurities, combined with…

介观与纳米尺度物理 · 物理学 2020-10-28 Deng Pan , Hongxing Xu , F. Javier García de Abajo

The resistance of dual-gated bilayer graphene is measured as a function of temperature and gating electric fields in the Corbino geometry which precludes edge transport. The temperature-dependent resistance is quantitatively described by a…

介观与纳米尺度物理 · 物理学 2010-10-07 Jun Yan , Michael S. Fuhrer

In conductors with a very small density of defects, electrons at low temperatures collide predominantly with the edges of a sample. Therefore, the ballistic regime of charge and heat transport is realized. The application of a perpendicular…

介观与纳米尺度物理 · 物理学 2022-04-06 A. N. Afanasiev , P. S. Alekseev , A. A. Greshnov , M. A. Semina

Hydrodynamic fluidity in condensed matter physics has been experimentally demonstrated only in a limited number of compounds due to the stringent conditions that must be met. Herein, we performed thermal and electrical transport experiments…

强关联电子 · 物理学 2022-02-25 Chang-woo Cho , Peipei Wang , Fangdong Tang , Sungkyun Park , Mingquan He , Rolf Lortz , Genda Gu , Qiang Li , Liyuan Zhang

We perform a differential resistance study in the hydrodynamic regime of electron liquid in GaAs/AlGaAs quantum wells. At zero magnetic field ($B$) a Lorentzian profile occurs in the nonlinear transport driven by a U-turn (ac) current loop,…

介观与纳米尺度物理 · 物理学 2026-05-26 Yi Wang , Shu-Yu Zheng , Li Lu , Kai Chang , Chi Zhang

Recent experiments have observed hints of hydrodynamic electron flow in a number of materials, not all of which have an isotropic Fermi surface. We revisit these experiments in $\mathrm{PdCoO}_2$, a quasi-two-dimensional material whose…

强关联电子 · 物理学 2019-07-03 Caleb Q. Cook , Andrew Lucas