Quantum transport and memory effects in mesoscopic structures

Irena Knezevic; David K. Ferry

doi:10.1016/S1386-9477(03)00293-5

Quantum transport and memory effects in mesoscopic structures

Irena Knezevic, David K. Ferry

Research output: Contribution to journal › Conference article › peer-review

8 Scopus citations

Abstract

A modern theory of electronic transport in mesoscopic structures needs to non-perturbatively treat the active region of the device as an open subsystem of a larger, interacting closed system, and be able to successfully capture transient processes, as well as a far-from-equilibrium steady state. We present a basis for generalization of the powerful non-equilibrium Green's functions formalism for treatment of open systems. During transient processes and far from equilibrium, we analyze the magnitude and importance of the memory terms, which appear in the two-time correlation functions and are the signatures of the system's openness.

Original language	English (US)
Pages (from-to)	71-76
Number of pages	6
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	19
Issue number	1-2
DOIs	https://doi.org/10.1016/S1386-9477(03)00293-5
State	Published - Jul 2003
Event	Fourth International Symposium on Nanostructures and Mesoscopi - Tempe, AZ, United States Duration: Feb 17 2003 → Feb 21 2003

Keywords

Memory effects
Mesoscopic structures
Open systems
Quantum transport

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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abstract = "A modern theory of electronic transport in mesoscopic structures needs to non-perturbatively treat the active region of the device as an open subsystem of a larger, interacting closed system, and be able to successfully capture transient processes, as well as a far-from-equilibrium steady state. We present a basis for generalization of the powerful non-equilibrium Green's functions formalism for treatment of open systems. During transient processes and far from equilibrium, we analyze the magnitude and importance of the memory terms, which appear in the two-time correlation functions and are the signatures of the system's openness.",

keywords = "Memory effects, Mesoscopic structures, Open systems, Quantum transport",

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note = "Funding Information: The authors acknowledge helpful discussions with J.R. Barker, P. Martin, V. Spicka, and B. Velicky. This work was supported by the Office of Naval Research. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.; Fourth International Symposium on Nanostructures and Mesoscopi ; Conference date: 17-02-2003 Through 21-02-2003",

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AU - Knezevic, Irena

AU - Ferry, David K.

N1 - Funding Information: The authors acknowledge helpful discussions with J.R. Barker, P. Martin, V. Spicka, and B. Velicky. This work was supported by the Office of Naval Research. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2003/7

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N2 - A modern theory of electronic transport in mesoscopic structures needs to non-perturbatively treat the active region of the device as an open subsystem of a larger, interacting closed system, and be able to successfully capture transient processes, as well as a far-from-equilibrium steady state. We present a basis for generalization of the powerful non-equilibrium Green's functions formalism for treatment of open systems. During transient processes and far from equilibrium, we analyze the magnitude and importance of the memory terms, which appear in the two-time correlation functions and are the signatures of the system's openness.

AB - A modern theory of electronic transport in mesoscopic structures needs to non-perturbatively treat the active region of the device as an open subsystem of a larger, interacting closed system, and be able to successfully capture transient processes, as well as a far-from-equilibrium steady state. We present a basis for generalization of the powerful non-equilibrium Green's functions formalism for treatment of open systems. During transient processes and far from equilibrium, we analyze the magnitude and importance of the memory terms, which appear in the two-time correlation functions and are the signatures of the system's openness.

KW - Memory effects

KW - Mesoscopic structures

KW - Open systems

KW - Quantum transport

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DO - 10.1016/S1386-9477(03)00293-5

M3 - Conference article

AN - SCOPUS:0042009663

VL - 19

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EP - 76

JO - Physica E: Low-Dimensional Systems and Nanostructures

JF - Physica E: Low-Dimensional Systems and Nanostructures

SN - 1386-9477

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T2 - Fourth International Symposium on Nanostructures and Mesoscopi

Y2 - 17 February 2003 through 21 February 2003

ER -

Quantum transport and memory effects in mesoscopic structures

Abstract

Keywords

ASJC Scopus subject areas

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