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相关论文: Kinetic theory of quantum transport at the nanosca…

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Recent work has revealed a general procedure for incorporating disorder into the semiclassical model of carrier transport, whereby the predictions of quantum linear response theory can be recovered within a quantum kinetic approach based on…

介观与纳米尺度物理 · 物理学 2025-03-10 M. Mehraeen

By viewing the non-equilibrium transport setup as a quantum open system, we propose a reduced-density-matrix based quantum transport formalism. At the level of self-consistent Born approximation, it can precisely account for the correlation…

介观与纳米尺度物理 · 物理学 2009-11-11 Ping Cui , Xin-Qi Li , Jiushu Shao , YiJing Yan

We describe a method for calculating the counting statistics of electronic transport through nanoscale devices with both sequential and cotunneling contributions. The method is based upon a perturbative expansion of the von Neumann equation…

介观与纳米尺度物理 · 物理学 2012-09-10 Clive Emary

A user friendly scheme based on the quantum kinetic equation is developed for studying thermal transport phenomena in the presence of interactions and disorder. We demonstrate that this scheme is suitable for both a systematic perturbative…

无序系统与神经网络 · 物理学 2015-05-14 Karen Michaeli , Alexander M. Finkel'stein

A simple scheme capable of treating transport in molecular junctions in the language of many-body states is presented. An ansatz in Liouville space similar to generalized Kadanoff-Baym approximation is introduced in order to reduce exact…

介观与纳米尺度物理 · 物理学 2009-05-06 Massimiliano Esposito , Michael Galperin

We discuss recent findings about properties of quantum nonequilibrium steady states. In particular we focus on transport properties. It is shown that the time dependent density matrix renormalization method can be used successfully to find…

量子物理 · 物理学 2011-11-15 Marko Znidaric

Starting from a general $N$-band Hamiltonian with weak spatial and temporal variations, we derive a low energy effective theory for transport within one or several overlapping bands. To this end, we use the Wigner representation that allows…

介观与纳米尺度物理 · 物理学 2013-08-09 Christian Wickles , Wolfgang Belzig

From Liouville's equation, a phase-space multi-scale transport equation is systematically derived. The proposed phase-space multi-scale transport equation based on the first principle indicates that the nonlinear stochastic transport is due…

等离子体物理 · 物理学 2014-01-14 Shaojie Wang

We propose a simple scheme that describes accurately essential non-equilibrium effects in nanoscale electronics devices using equilibrium transport theory. The scheme, which is based on the alignment and dealignment of the junction…

介观与纳米尺度物理 · 物理学 2012-10-01 V. M. García-Suárez , J. Ferrer

Coupling the vibrations of an oscillator to electronic transport is a key building block for nanoelectromechanical systems. They describe many nanoscale electrical components such as molecular junctions. Inspired by recent experimental…

量子物理 · 物理学 2025-06-26 Sofia Sevitz , Federico Cerisola , Janet Anders

We derive transport equations for fermions and bosons in spatially or temporally varying backgrounds with special symmetries, by use of the Schwinger-Keldysh formalism. In a noninteracting theory the coherence information is shown to be…

高能物理 - 唯象学 · 物理学 2014-11-18 Matti Herranen , Kimmo Kainulainen , Pyry M. Rahkila

For quantum transport through mesoscopic system, a quantum master equation approach is developed in terms of compact expressions for the transport current and the reduced density matrix of the system. The present work is an extension of…

介观与纳米尺度物理 · 物理学 2009-11-10 Xin-Qi Li , Jun-Yan Luo , Yong-Gang Yang , Ping Cui , YiJing Yan

In this paper we present a new quantum-trajectory based treatment of quantum dynamics suitable for dissipative systems. Starting from a de Broglie/Bohm-like representation of the quantum density matrix, we derive and define quantum…

量子物理 · 物理学 2007-05-23 Jeremy B. Maddox , Eric R. Bittner

In the present contribution, we derive from kinetic theory a unified fluid model for multicomponent plasmas by accounting for the electromagnetic field influence. We deal with a possible thermal nonequilibrium of the translational energy of…

等离子体物理 · 物理学 2011-03-07 Benjamin Graille , Thierry E. Magin , Marc Massot

We present basic equations of nonequilibrium thermo field dynamics of dense quantum systems. A formulation of nonequilibrium thermo field dynamics has been performed using the nonequilibrium statistical operator method by D.N.Zubarev.…

核理论 · 物理学 2007-05-23 M. V. Tokarchuk , A. E. Kobryn

The late-time dynamics of quantum many-body systems is organized in distinct dynamical universality classes, characterized by their conservation laws and thus by their emergent hydrodynamic transport. Here, we study transport in the…

量子气体 · 物理学 2022-08-30 Philip Zechmann , Alvise Bastianello , Michael Knap

The transport properties of quantum dot (QD) systems based on double-walled carbon nanotube (DWCNT) are investigated. The interplay between microscopic structure and strong Coulomb interaction is treated within a bosonization framework. The…

介观与纳米尺度物理 · 物理学 2009-11-13 Shidong Wang , Milena Grifoni

In this review article, we present a non-equilibrium quantum transport theory for transient electron dynamics in nanodevices based on exact master equation derived with the path integral method in the fermion coherent-state representation.…

介观与纳米尺度物理 · 物理学 2016-11-15 Pei-Yun Yang , Wei-Min Zhang

In this work we build a theoretical framework for the transport of information in quantum systems. This is a framework aimed at describing how out of equilibrium open quantum systems move information around their state space, using an…

量子物理 · 物理学 2021-07-23 F. Anza

We suggest a new approach for transport through finite systems based on the Liouville equation. By working in a basis of many-particle states for the finite system, Coulomb interactions are taken fully into account and correlated…

介观与纳米尺度物理 · 物理学 2007-05-23 Jonas Nyvold Pedersen , Andreas Wacker
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