Dynamic Nuclear Polarization in Double Quantum Dots

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Dynamic Nuclear Polarization in Double Quantum Dots

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dc.contributor.author Gullans, Michael John
dc.contributor.author Krich, Jacob Jonathan
dc.contributor.author Taylor, Jacob Mason
dc.contributor.author Bluhm, Hendrik
dc.contributor.author Halperin, Bertrand I.
dc.contributor.author Marcus, Charles Masamed
dc.contributor.author Stopa, Michael P
dc.contributor.author Yacoby, Amir
dc.contributor.author Lukin, Mikhail D.
dc.date.accessioned 2011-09-13T15:26:40Z
dc.date.issued 2010
dc.identifier.citation Gullans, Michael J., Jacob J. Krich, Jacob M. Taylor, Hendrik Bluhm, Bertrand I. Halperin, Charles M. Marcus, Michael P. Stopa, Amir Yacoby and Mikhail D. Lukin. 2010. Dynamic Nuclear Polarization in Double Quantum Dots. Physical Review Letters 104(22): 226807. en_US
dc.identifier.issn 1079-7114 en_US
dc.identifier.issn 0031-9007 en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:5129890
dc.description.abstract We theoretically investigate the controlled dynamic polarization of lattice nuclear spins in GaAs double quantum dots containing two electrons. Three regimes of long-term dynamics are identified, including the buildup of a large difference in the Overhauser fields across the dots, the saturation of the nuclear polarization process associated with formation of so-called ‘‘dark states’’, and the elimination of the difference field. We show that in the case of unequal dots, buildup of difference fields generally accompanies the nuclear polarization process, whereas for nearly identical dots, buildup of difference fields competes with polarization saturation in dark states. The elimination of the difference field does not, in general, correspond to a stable steady state of the polarization process. en_US
dc.description.sponsorship Physics en_US
dc.description.sponsorship Other Research Unit en_US
dc.language.iso en_US en_US
dc.publisher American Physical Society en_US
dc.relation.isversionof doi:10.1103/PhysRevLett.104.226807 en_US
dc.relation.hasversion http://marcuslab.harvard.edu/papers/Gullans_DNP_PRL2010.pdf en_US
dc.relation.hasversion http://arxiv.org/abs/1003.4508 en_US
dash.license OAP
dc.subject spin en_US
dc.subject 2-dimensional electron gas en_US
dc.title Dynamic Nuclear Polarization in Double Quantum Dots en_US
dc.type Journal Article en_US
dc.description.version Accepted Manuscript en_US
dc.relation.journal Physical Review Letters en_US
dash.depositing.author Marcus, Charles Masamed
dc.date.available 2011-09-13T15:26:40Z

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  • FAS Scholarly Articles [7219]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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