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Electron-electron relaxation in disordered interacting systems.

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Electron-electron relaxation in disordered interacting systems. / Bozsoki, Peter; Varga, Imre; Schomerus, Henning.
In: Physica Status Solidi C, Vol. 5, No. 3, 03.2008, p. 699-702.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Bozsoki, P, Varga, I & Schomerus, H 2008, 'Electron-electron relaxation in disordered interacting systems.', Physica Status Solidi C, vol. 5, no. 3, pp. 699-702. https://doi.org/10.1002/pssc.200777553

APA

Bozsoki, P., Varga, I., & Schomerus, H. (2008). Electron-electron relaxation in disordered interacting systems. Physica Status Solidi C, 5(3), 699-702. https://doi.org/10.1002/pssc.200777553

Vancouver

Bozsoki P, Varga I, Schomerus H. Electron-electron relaxation in disordered interacting systems. Physica Status Solidi C. 2008 Mar;5(3):699-702. doi: 10.1002/pssc.200777553

Author

Bozsoki, Peter ; Varga, Imre ; Schomerus, Henning. / Electron-electron relaxation in disordered interacting systems. In: Physica Status Solidi C. 2008 ; Vol. 5, No. 3. pp. 699-702.

Bibtex

@article{da25bad8c42f4cd0b48f86449a5ce07b,
title = "Electron-electron relaxation in disordered interacting systems.",
abstract = "We study the relaxation of a non-equilibrium carrier distribution under the influence of the electron-electron interaction in the presence of disorder. Based on the Anderson model, our Hamiltonian is composed from a single particle part including the disorder and a two-particle part accounting for the Coulomb interaction. We apply the equation-of-motion approach for the density matrix, which provides a fully microscopic description of the relaxation. Our results show that the nonequilibrium distribution in this closed and internally interacting system relaxes exponentially fast during the initial dynamics. This fast relaxation can be described by a phenomenological damping rate. The total single particle energy decreases in the redistribution process, keeping the total energy of the system fixed. It turns out that the relaxation rate decreases with increasing disorder.",
keywords = "71.230000000000004.-k • 72.15.Lh • 72.15.Rn",
author = "Peter Bozsoki and Imre Varga and Henning Schomerus",
year = "2008",
month = mar,
doi = "10.1002/pssc.200777553",
language = "English",
volume = "5",
pages = "699--702",
journal = "Physica Status Solidi C",
issn = "1610-1634",
publisher = "Wiley-VCH Verlag",
number = "3",

}

RIS

TY - JOUR

T1 - Electron-electron relaxation in disordered interacting systems.

AU - Bozsoki, Peter

AU - Varga, Imre

AU - Schomerus, Henning

PY - 2008/3

Y1 - 2008/3

N2 - We study the relaxation of a non-equilibrium carrier distribution under the influence of the electron-electron interaction in the presence of disorder. Based on the Anderson model, our Hamiltonian is composed from a single particle part including the disorder and a two-particle part accounting for the Coulomb interaction. We apply the equation-of-motion approach for the density matrix, which provides a fully microscopic description of the relaxation. Our results show that the nonequilibrium distribution in this closed and internally interacting system relaxes exponentially fast during the initial dynamics. This fast relaxation can be described by a phenomenological damping rate. The total single particle energy decreases in the redistribution process, keeping the total energy of the system fixed. It turns out that the relaxation rate decreases with increasing disorder.

AB - We study the relaxation of a non-equilibrium carrier distribution under the influence of the electron-electron interaction in the presence of disorder. Based on the Anderson model, our Hamiltonian is composed from a single particle part including the disorder and a two-particle part accounting for the Coulomb interaction. We apply the equation-of-motion approach for the density matrix, which provides a fully microscopic description of the relaxation. Our results show that the nonequilibrium distribution in this closed and internally interacting system relaxes exponentially fast during the initial dynamics. This fast relaxation can be described by a phenomenological damping rate. The total single particle energy decreases in the redistribution process, keeping the total energy of the system fixed. It turns out that the relaxation rate decreases with increasing disorder.

KW - 71.230000000000004.-k • 72.15.Lh • 72.15.Rn

U2 - 10.1002/pssc.200777553

DO - 10.1002/pssc.200777553

M3 - Journal article

VL - 5

SP - 699

EP - 702

JO - Physica Status Solidi C

JF - Physica Status Solidi C

SN - 1610-1634

IS - 3

ER -