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Weak localization and conductance fluctuations in a quantum dot with parallel magnetic field and spin-orbit scattering.

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Weak localization and conductance fluctuations in a quantum dot with parallel magnetic field and spin-orbit scattering. / Cremers, Jan-Hein; Brouwer, Piet W.; Fal’ko, Vladimir I.
In: Physical Review B: Condensed Matter, Vol. 68, No. 12, 2003, p. 125329 / 14 pages.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Cremers JH, Brouwer PW, Fal’ko VI. Weak localization and conductance fluctuations in a quantum dot with parallel magnetic field and spin-orbit scattering. Physical Review B: Condensed Matter. 2003;68(12):125329 / 14 pages. doi: 10.1103/PhysRevB.68.125329

Author

Cremers, Jan-Hein; ; Brouwer, Piet W. ; Fal’ko, Vladimir I. / Weak localization and conductance fluctuations in a quantum dot with parallel magnetic field and spin-orbit scattering. In: Physical Review B: Condensed Matter. 2003 ; Vol. 68, No. 12. pp. 125329 / 14 pages.

Bibtex

@article{dbc64c44069742b585e59a0ff1cde3a6,
title = "Weak localization and conductance fluctuations in a quantum dot with parallel magnetic field and spin-orbit scattering.",
abstract = "In the presence of both spin-orbit scattering and a magnetic field the conductance of a chaotic GaAs quantum dot displays quite a rich behavior. Using a Hamiltonian derived by Aleiner and Fal{\textquoteright}ko [Phys. Rev. Lett. 87, 256801 (2001)] we calculate the weak localization correction and the covariance of the conductance, as a function of parallel and perpendicular magnetic field and spin-orbit coupling strength. We also show how the combination of an in-plane magnetic field and spin-orbit scattering gives rise to a component to the magnetoconductance that is antisymmetric with respect to reversal of the perpendicular component of the magnetic field and how spin-orbit scattering leads to a “magnetic-field echo” in the conductance autocorrelation function. Our results can be used for a measurement of the Dresselhaus and Bychkov-Rashba spin-orbit scattering lengths in a GaAs/GaAlAs heterostructure.",
author = "Jan-Hein; Cremers and Brouwer, {Piet W.} and Fal{\textquoteright}ko, {Vladimir I.}",
year = "2003",
doi = "10.1103/PhysRevB.68.125329",
language = "English",
volume = "68",
pages = "125329 / 14 pages",
journal = "Physical Review B: Condensed Matter",
issn = "1550-235X",
publisher = "AMER PHYSICAL SOC",
number = "12",

}

RIS

TY - JOUR

T1 - Weak localization and conductance fluctuations in a quantum dot with parallel magnetic field and spin-orbit scattering.

AU - Cremers, Jan-Hein;

AU - Brouwer, Piet W.

AU - Fal’ko, Vladimir I.

PY - 2003

Y1 - 2003

N2 - In the presence of both spin-orbit scattering and a magnetic field the conductance of a chaotic GaAs quantum dot displays quite a rich behavior. Using a Hamiltonian derived by Aleiner and Fal’ko [Phys. Rev. Lett. 87, 256801 (2001)] we calculate the weak localization correction and the covariance of the conductance, as a function of parallel and perpendicular magnetic field and spin-orbit coupling strength. We also show how the combination of an in-plane magnetic field and spin-orbit scattering gives rise to a component to the magnetoconductance that is antisymmetric with respect to reversal of the perpendicular component of the magnetic field and how spin-orbit scattering leads to a “magnetic-field echo” in the conductance autocorrelation function. Our results can be used for a measurement of the Dresselhaus and Bychkov-Rashba spin-orbit scattering lengths in a GaAs/GaAlAs heterostructure.

AB - In the presence of both spin-orbit scattering and a magnetic field the conductance of a chaotic GaAs quantum dot displays quite a rich behavior. Using a Hamiltonian derived by Aleiner and Fal’ko [Phys. Rev. Lett. 87, 256801 (2001)] we calculate the weak localization correction and the covariance of the conductance, as a function of parallel and perpendicular magnetic field and spin-orbit coupling strength. We also show how the combination of an in-plane magnetic field and spin-orbit scattering gives rise to a component to the magnetoconductance that is antisymmetric with respect to reversal of the perpendicular component of the magnetic field and how spin-orbit scattering leads to a “magnetic-field echo” in the conductance autocorrelation function. Our results can be used for a measurement of the Dresselhaus and Bychkov-Rashba spin-orbit scattering lengths in a GaAs/GaAlAs heterostructure.

U2 - 10.1103/PhysRevB.68.125329

DO - 10.1103/PhysRevB.68.125329

M3 - Journal article

VL - 68

SP - 125329 / 14 pages

JO - Physical Review B: Condensed Matter

JF - Physical Review B: Condensed Matter

SN - 1550-235X

IS - 12

ER -