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The electronic pumping arising from the steady motion of ferromagnetic skyrmions is investigated by solving the time evolution of the Schrodinger equation implemented on a tight-binding model with the statistical physics of the many-body…

材料科学 · 物理学 2018-12-26 Adel Abbout , Joseph Weston , Xavier Waintal , Aurelien Manchon

A new method is reported by which it is possible to induce certain flux configurations of desired characteristics via electromagnetic means into the overall quantum probability current of a many-body system in the Madelung hydrodynamic…

量子物理 · 物理学 2013-06-21 T. E. Raptis

We study the equilibrium dynamics of the relative phase in a superconducting Josephson link taking into account the quantum fluctuations of the electromagnetic vacuum. The photons act as a superohmic heat bath on the relative Cooper pair…

超导电性 · 物理学 2009-11-10 H. Kohler , F. Guinea , F. Sols

We develop a Boltzmann-Langevin description of Coulomb drag effect in clean double-layer systems with large interlayer separation $d$ as compared to the average interelectron distance $\lambda_F$. Coulomb drag arises from density…

介观与纳米尺度物理 · 物理学 2015-06-10 W. Chen , A. V. Andreev , A. Levchenko

In Coulomb drag, a current flowing in one conductor can induce a voltage across an adjacent conductor via the Coulomb interaction. The mechanisms yielding drag effects are not always understood, even though drag effects are sufficiently…

介观与纳米尺度物理 · 物理学 2016-08-16 A. J. Keller , J. S. Lim , David Sánchez , Rosa López , S. Amasha , J. A. Katine , Hadas Shtrikman , D. Goldhaber-Gordon

We consider pumping through a small quantum dot separated from the leads by two point contacts, whose conductances, $G_{1}$ and $G_{2}$, serve as pumping parameters. When the dot is pincched, we find that there is a "resonance line" in the…

介观与纳米尺度物理 · 物理学 2009-10-31 Y. Levinson , O. Entin-Wohlman , P. Wolfle

So far, several macroscopic quantum phenomena have been discovered in the Josephson junction. Through introducing such a structure with a liquid membrane sandwiched between two liquid metal electrodes, we had ever observed a lighting and…

应用物理 · 物理学 2018-05-09 Qian Wang , Yang Yu , Jing Liu

We obtain and analyze the effect of electron-electron Coulomb interaction on the time dependent current flowing through a mesoscopic system connected to biased semi-infinite leads. We assume the contact is gradually switched on in time and…

介观与纳米尺度物理 · 物理学 2012-03-15 Valeriu Moldoveanu , Andrei Manolescu , Chi-Shung Tang , Vidar Gudmundsson

Spin-orbit interaction couples electron spins to electric fields and allows electrical monitoring of electron spins and electrical detection of spin dynamics. Competing mechanisms of spin-orbit interaction are compared, and optimal…

介观与纳米尺度物理 · 物理学 2009-11-10 Emmanuel I. Rashba

I review our incomplete understanding of non-Fermi liquid behavior in heavy fermion systems at a quantum critical point. General considerations suggest that critical antiferromagnetic fluctuations do not destroy the Fermi surface by…

强关联电子 · 物理学 2009-10-31 P. Coleman

We study dynamics and thermodynamics of ion channels, considered as effective 1D Coulomb systems. The long range nature of the inter-ion interactions comes about due to the dielectric constants mismatch between the water and lipids,…

统计力学 · 物理学 2021-02-05 Tobias Gulden , Alex Kamenev

We study the dielectric function of the homogeneous semiconductor hole liquid of p-doped bulk III-V zinc-blende semiconductors within random phase approximation. The single-particle physics of the hole system is modeled by Luttinger's…

强关联电子 · 物理学 2011-10-14 John Schliemann

We investigate the existence of the electric field reversal in the negative glow of a dc discharge, its location, the width of the well trapping the electrons, the slow electrons scattering time, and as well the trapping time. Based on a…

等离子体物理 · 物理学 2007-05-23 Mario J. Pinheiro

We develop a non-equilibrium theory to describe weak Coulomb blockade effects in open quantum dots. Working within the bosonized description of electrons in the point contacts, we expose deficiencies in earlier applications of this method,…

介观与纳米尺度物理 · 物理学 2009-11-11 Piet W. Brouwer , Austen Lamacraft , Karsten Flensberg

This paper discusses a quantum optical heating mechanism which might play an important role in sonoluminescence experiments. We suggest that this mechanism occurs during the final stages of the bubble collapse phase and accompanies the…

量子物理 · 物理学 2012-07-31 Almut Beige , Antonio Capolupo , Andreas Kurcz

We develop a quantum kinetic theory of two-dimensional electron gases in which exchange is treated self-consistently at the Hartree-Fock level and enters as a nonlocal, momentum-dependent field in phase space. By starting from the Coulomb…

介观与纳米尺度物理 · 物理学 2026-03-30 J. L. Figueiredo , J. T. Mendonça , H. Terças

Electronic fluids bring into hydrodynamics a new setting: equipotential flow sources embedded inside the fluid. Here we show that nonlocal relation between current and electric field due to momentum-conserving inter-particle collisions…

介观与纳米尺度物理 · 物理学 2019-07-12 Michal Shavit , Andrey Shytov , Gregory Falkovich

In this article, we consider a quantum dot system which is interacting with a spatially separated metallic gate electrode via direct Coulomb interaction. Here, the gate electrode is described by an idealized two-dimensional electron gas.…

其他凝聚态物理 · 物理学 2007-05-23 K. M. Indlekofer

The behavior of a classical charged point particle under the influence of only a Coulombic binding potential and classical electromagnetic zero-point radiation, is shown to yield agreement with the probability density distribution of…

量子物理 · 物理学 2015-06-26 Daniel C. Cole , Yi Zou

In this paper the kinetic corrected Schr\"{o}dinger-Poisson model is used to obtain the pseudoforce system in order to study variety of streaming electron beam-plasmon interaction effects. The noninteracting stream model is used to…

等离子体物理 · 物理学 2023-05-09 M. Akbari-Moghanjoughi
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