A New Mechanism of Electric Dipole Spin Resonance: Hyperfine Coupling in Quantum Dots

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A New Mechanism of Electric Dipole Spin Resonance: Hyperfine Coupling in Quantum Dots

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Title: A New Mechanism of Electric Dipole Spin Resonance: Hyperfine Coupling in Quantum Dots
Author: Laird, Edward A.; Barthel, Christian; Rashba, Emmanuel; Marcus, Charles Masamed; Hanson, M. P.; Gossard, Arthur C.

Note: Order does not necessarily reflect citation order of authors.

Citation: Laird, Edward A., Christian Barthel, Emmanuel Rashba, Charles M. Marcus, M. P. Hanson, and Arthur C. Gossard. 2009. A new mechanism of electric dipole spin resonance: hyperfine coupling in quantum dots. Semiconductor Science and Technology 24(064004).
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Abstract: A recently discovered mechanism of electric dipole spin resonance, mediated by the hyperfine interaction, is investigated experimentally and theoretically. The effect is studied using a spin-selective transition in a GaAs double quantum dot. The resonant frequency is sensitive to the instantaneous hyperfine effective field, revealing a nuclear polarization created by driving the resonance. A device incorporating a micromagnet exhibits a magnetic field difference between dots, allowing electrons in either dot to be addressed selectively. An unexplained additional signal at half the resonant frequency is presented.
Published Version: doi:10.1088/0268-1242/24/6/064004
Other Sources: http://arxiv.org/abs/0901.0124v1
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:5110753

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  • FAS Scholarly Articles [6948]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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