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Effect of exchange interaction on spin dephasing in a double quantum dot

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

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Effect of exchange interaction on spin dephasing in a double quantum dot. / Laird, E. A.; Petta, J. R.; Johnson, A. C. et al.
In: Physical review letters, Vol. 97, No. 5, 056801, 04.08.2006.

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

Harvard

Laird, EA, Petta, JR, Johnson, AC, Marcus, CM, Yacoby, A, Hanson, MP & Gossard, AC 2006, 'Effect of exchange interaction on spin dephasing in a double quantum dot', Physical review letters, vol. 97, no. 5, 056801. https://doi.org/10.1103/PhysRevLett.97.056801

APA

Laird, E. A., Petta, J. R., Johnson, A. C., Marcus, C. M., Yacoby, A., Hanson, M. P., & Gossard, A. C. (2006). Effect of exchange interaction on spin dephasing in a double quantum dot. Physical review letters, 97(5), Article 056801. https://doi.org/10.1103/PhysRevLett.97.056801

Vancouver

Laird EA, Petta JR, Johnson AC, Marcus CM, Yacoby A, Hanson MP et al. Effect of exchange interaction on spin dephasing in a double quantum dot. Physical review letters. 2006 Aug 4;97(5):056801. doi: 10.1103/PhysRevLett.97.056801

Author

Laird, E. A. ; Petta, J. R. ; Johnson, A. C. et al. / Effect of exchange interaction on spin dephasing in a double quantum dot. In: Physical review letters. 2006 ; Vol. 97, No. 5.

Bibtex

@article{4cdf6ef73094411ba4610b1ec1ce026e,
title = "Effect of exchange interaction on spin dephasing in a double quantum dot",
abstract = "We measure singlet-triplet dephasing in a two-electron double quantum dot in the presence of an exchange interaction which can be electrically tuned from much smaller to much larger than the hyperfine energy. Saturation of dephasing and damped oscillations of the spin correlator as a function of time are observed when the two interaction strengths are comparable. Both features of the data are compared with predictions from a quasistatic model of the hyperfine field.",
keywords = "COMPUTATION, FIELD",
author = "Laird, {E. A.} and Petta, {J. R.} and Johnson, {A. C.} and Marcus, {C. M.} and A. Yacoby and Hanson, {M. P.} and Gossard, {A. C.}",
year = "2006",
month = aug,
day = "4",
doi = "10.1103/PhysRevLett.97.056801",
language = "English",
volume = "97",
journal = "Physical review letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Effect of exchange interaction on spin dephasing in a double quantum dot

AU - Laird, E. A.

AU - Petta, J. R.

AU - Johnson, A. C.

AU - Marcus, C. M.

AU - Yacoby, A.

AU - Hanson, M. P.

AU - Gossard, A. C.

PY - 2006/8/4

Y1 - 2006/8/4

N2 - We measure singlet-triplet dephasing in a two-electron double quantum dot in the presence of an exchange interaction which can be electrically tuned from much smaller to much larger than the hyperfine energy. Saturation of dephasing and damped oscillations of the spin correlator as a function of time are observed when the two interaction strengths are comparable. Both features of the data are compared with predictions from a quasistatic model of the hyperfine field.

AB - We measure singlet-triplet dephasing in a two-electron double quantum dot in the presence of an exchange interaction which can be electrically tuned from much smaller to much larger than the hyperfine energy. Saturation of dephasing and damped oscillations of the spin correlator as a function of time are observed when the two interaction strengths are comparable. Both features of the data are compared with predictions from a quasistatic model of the hyperfine field.

KW - COMPUTATION

KW - FIELD

U2 - 10.1103/PhysRevLett.97.056801

DO - 10.1103/PhysRevLett.97.056801

M3 - Journal article

VL - 97

JO - Physical review letters

JF - Physical review letters

SN - 0031-9007

IS - 5

M1 - 056801

ER -