Phonon-assisted decoherence and tunneling in quantum dot molecules

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Phonon-assisted decoherence and tunneling in quantum dot molecules. / Grodecka-Grad, Anna; Foerstner, Jens.

In: Physica Status Solidi. C: Current Topics in Solid State Physics, Vol. 8, No. 1, 25.01.2011, p. 1125-1128.

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

Harvard

Grodecka-Grad, A & Foerstner, J 2011, 'Phonon-assisted decoherence and tunneling in quantum dot molecules', Physica Status Solidi. C: Current Topics in Solid State Physics, vol. 8, no. 1, pp. 1125-1128. https://doi.org/10.1002/pssc.201000824

APA

Grodecka-Grad, A., & Foerstner, J. (2011). Phonon-assisted decoherence and tunneling in quantum dot molecules. Physica Status Solidi. C: Current Topics in Solid State Physics, 8(1), 1125-1128. https://doi.org/10.1002/pssc.201000824

Vancouver

Grodecka-Grad A, Foerstner J. Phonon-assisted decoherence and tunneling in quantum dot molecules. Physica Status Solidi. C: Current Topics in Solid State Physics. 2011 Jan 25;8(1):1125-1128. https://doi.org/10.1002/pssc.201000824

Author

Grodecka-Grad, Anna ; Foerstner, Jens. / Phonon-assisted decoherence and tunneling in quantum dot molecules. In: Physica Status Solidi. C: Current Topics in Solid State Physics. 2011 ; Vol. 8, No. 1. pp. 1125-1128.

Bibtex

@article{bf7064fcb63340209ec762f3a5ed4aa1,
title = "Phonon-assisted decoherence and tunneling in quantum dot molecules",
abstract = "We study the influence of the phonon environment on the electron dynamics in a doped quantum dot molecule. A non-perturbative quantum kinetic theory based on correlation expansion is used in order to describe both diagonal and off-diagonal electron-phonon couplings representing real and virtual processes with relevant acoustic phonons. We show that the relaxation is dominated by phonon-assisted electron tunneling between constituent quantum dots and occurs on a picosecond time scale. The dependence of the time evolution of the quantum dot occupation probabilities on the energy mismatch between the quantum dots is studied in detail. ({\textcopyright} 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) ",
author = "Anna Grodecka-Grad and Jens Foerstner",
year = "2011",
month = jan,
day = "25",
doi = "10.1002/pssc.201000824",
language = "English",
volume = "8",
pages = "1125--1128",
journal = "Physica Status Solidi (C) Current Topics in Solid State Physics",
issn = "1862-6351",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "1",

}

RIS

TY - JOUR

T1 - Phonon-assisted decoherence and tunneling in quantum dot molecules

AU - Grodecka-Grad, Anna

AU - Foerstner, Jens

PY - 2011/1/25

Y1 - 2011/1/25

N2 - We study the influence of the phonon environment on the electron dynamics in a doped quantum dot molecule. A non-perturbative quantum kinetic theory based on correlation expansion is used in order to describe both diagonal and off-diagonal electron-phonon couplings representing real and virtual processes with relevant acoustic phonons. We show that the relaxation is dominated by phonon-assisted electron tunneling between constituent quantum dots and occurs on a picosecond time scale. The dependence of the time evolution of the quantum dot occupation probabilities on the energy mismatch between the quantum dots is studied in detail. (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

AB - We study the influence of the phonon environment on the electron dynamics in a doped quantum dot molecule. A non-perturbative quantum kinetic theory based on correlation expansion is used in order to describe both diagonal and off-diagonal electron-phonon couplings representing real and virtual processes with relevant acoustic phonons. We show that the relaxation is dominated by phonon-assisted electron tunneling between constituent quantum dots and occurs on a picosecond time scale. The dependence of the time evolution of the quantum dot occupation probabilities on the energy mismatch between the quantum dots is studied in detail. (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

U2 - 10.1002/pssc.201000824

DO - 10.1002/pssc.201000824

M3 - Journal article

VL - 8

SP - 1125

EP - 1128

JO - Physica Status Solidi (C) Current Topics in Solid State Physics

JF - Physica Status Solidi (C) Current Topics in Solid State Physics

SN - 1862-6351

IS - 1

ER -

ID: 33077783