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We study quantum phase coherence and weak localization (WL) in disordered metals with restricted back-scattering and phenomenologically formulate a large class of unconventional transport mechanisms as modified diffusion processes not…

无序系统与神经网络 · 物理学 2010-08-06 Shimul Akhanjee

The effective low-energy excitations in a metallic or semimetallic crystalline system (i.e. electronic quasiparticles) always have a finite spatial extent. It is self-evident but virtually unexplored how the associated internal degrees of…

介观与纳米尺度物理 · 物理学 2021-11-19 Tobias Holder

We study the transport properties of interacting electrons in a disordered quantum wire within the framework of the Luttinger liquid model. We demonstrate that the notion of weak localization is applicable to the strongly correlated…

无序系统与神经网络 · 物理学 2007-05-23 I. V. Gornyi , A. D. Mirlin , D. G. Polyakov

When impurity and phonon scattering coexist, the Boltzmann equation has been solved accurately for nonlinear electron transport in a quantum wire. Based on the calculated non-equilibrium distribution of electrons in momentum space, the…

强关联电子 · 物理学 2015-05-18 Danhong Huang , Godfrey Gumbs

We theoretically study hydrodynamic phenomena originating from electron-electron collisions in a two-dimensional Fermi system. We demonstrate that an electron beam sweeping past an aperture creates a pumping effect, attracting carriers from…

介观与纳米尺度物理 · 物理学 2009-11-10 Alexander O. Govorov , Jean J. Heremans

We study effects of electron correlation on the transport through a small interacting system connected to reservoirs using an effective Hamiltonian which describes the free quasi-particles of a Fermi liquid. The effective Hamiltonian is…

介观与纳米尺度物理 · 物理学 2009-11-07 Akira Oguri

We study dissipation in inhomogeneous two-dimensional electron systems. We predict a relatively strong current-induced spatial asymmetry in the heating of the electron and phonon systems -- even if the inhomogeneity responsible for the…

介观与纳米尺度物理 · 物理学 2019-12-04 K. S. Tikhonov , I. V. Gornyi , V. Yu. Kachorovskii , A. D. Mirlin

The quasi-coherent effects in two-dimensional incompressible turbulence are analyzed starting from the test particle trajectories. They can acquire coherent aspects when the stochastic potential has slow time variation and the motion is not…

等离子体物理 · 物理学 2017-04-05 M. Vlad , F. Spineanu

We present a theory of thermoelectric transport in weakly disordered Weyl semimetals where the electron-electron scattering time is faster than the electron-impurity scattering time. Our hydrodynamic theory consists of relativistic fluids…

强关联电子 · 物理学 2016-08-31 Andrew Lucas , Richard A. Davison , Subir Sachdev

The electron transport through the parabolic quantum wire placed in longitudinal magnetic field in the presence of the system of short-range impurities inside the wire is investigated. Using approach based on the zero-range potential theory…

介观与纳米尺度物理 · 物理学 2008-01-03 I. A. Kokurin , V. A. Margulis

Fluid dynamics is one of the cornerstones of modern physics and has recently found applications in the transport of electrons in solids. In most solids electron transport is dominated by extrinsic factors, such as sample geometry and…

We consider hydrodynamic electron transport in the Hall-bar geometry. The theory is developed for systems with non-Galilean-invariant electron liquids. We show that inhomogeneity of the electron density induced by long-range disorder and…

介观与纳米尺度物理 · 物理学 2022-04-27 Songci Li , A. V. Andreev , Alex Levchenko

Electron-electron interactions in high-mobility conductors can give rise to transport signatures resembling those described by classical hydrodynamics. Using a nanoscale scanning magnetometer, we imaged a distinctive hydrodynamic transport…

介观与纳米尺度物理 · 物理学 2024-08-02 Marius L. Palm , Chaoxin Ding , William S. Huxter , Takashi Taniguchi , Kenji Watanabe , Christian L. Degen

We explore theoretically how the coupling to cavity vacuum fields affects the electron transport in quantum conductors due to the counter-rotating-wave terms of light-matter interaction. We determine the quantum conductance in terms of the…

介观与纳米尺度物理 · 物理学 2023-01-31 Geva Arwas , Cristiano Ciuti

Generic short-range interacting quantum systems with a conserved quantity exhibit universal diffusive transport at late times. We employ non-equilibrium quantum field theory and semi-classical phase-space simulations to show how this…

量子气体 · 物理学 2020-12-15 Alexander Schuckert , Izabella Lovas , Michael Knap

The problem of a travelling wave over an arbitrary quasi-flat bathymetry in a semi infinite channel is studied in the shallow-water formulation. It is shown how the streamfunction can be cast, in the vicinity of an elliptic equilibrium for…

动力系统 · 数学 2018-02-12 Alessandro Fortunati

We investigate the dynamical interplay between currents and electromagnetic fields in frequency-dependent transport through a single-channel quantum wire with an impurity potential in the presence of electron-electron interactions. We…

介观与纳米尺度物理 · 物理学 2007-05-23 Andrea Fechner , Gianaurelio Cuniberti , Maura Sassetti , Bernhard Kramer

Due to the many unique transport properties of Weyl semimetals, they are promising materials for modern electronics. We investigate the electrons in the strong coupling approximation near Weyl points based on their representation as…

介观与纳米尺度物理 · 物理学 2021-09-15 Mariya Iv. Trukhanova , Pavel Andreev

We theoretically study the quantum transport in a three-dimensional spin-1 chiral fermion system in the presence of impurity scattering. Within the self-consistent Born approximation, we find peak structure of the density of states and…

介观与纳米尺度物理 · 物理学 2022-12-20 Risako Kikuchi , Takumi Funato , Ai Yamakage

We compute direct current (dc) thermoelectric transport coefficients in strongly coupled quantum field theories without long lived quasiparticles, at finite temperature and charge density, and disordered on long wavelengths compared to the…

高能物理 - 理论 · 物理学 2015-10-30 Andrew Lucas