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Disentangling the effects of spin-orbit and hyperfine interactions on spin blockade

Nadj-Perge, S. and Frolov, S. M. and van Tilburg, J. W. W. and Danon, J. and Nazarov, Yu. V. and Algra, R. and Bakkers, E. P. A. M. and Kouwenhoven, L. P. (2010) Disentangling the effects of spin-orbit and hyperfine interactions on spin blockade. Physical Review B, 81 (20). Art. No. 201305. ISSN 1098-0121. doi:10.1103/PhysRevB.81.201305.

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We have achieved the few-electron regime in InAs nanowire double quantum dots. Spin blockade is observed for the first two half-filled orbitals, where the transport cycle is interrupted by forbidden transitions between triplet and singlet states. Partial lifting of spin blockade is explained by spin-orbit and hyperfine mechanisms that enable triplet to singlet transitions. The measurements over a wide range of interdot coupling and tunneling rates to the leads are well reproduced by a simple transport model. This allows us to separate and quantify the contributions of the spin-orbit and hyperfine interactions.

Item Type:Article
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Nadj-Perge, S.0000-0002-2916-360X
Additional Information:© 2010 American Physical Society. Received 10 February 2010; revised manuscript received 18 April 2010; published 17 May 2010. We thank M. Triff, D. Loss, K. C. Nowack, L. M. K. Vandersypen, and M. C. van der Krogt for their help. This work has been supported by NWO/FOM (Netherlands Organization for Scientific Research) and through the DARPA program QUEST.
Funding AgencyGrant Number
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
Stichting voor Fundamenteel Onderzoek der Materie (FOM)UNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Issue or Number:20
Classification Code:PACS number(s): 73.63.Kv, 71.70.Ej
Record Number:CaltechAUTHORS:20160113-085622730
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Official Citation:Disentangling the effects of spin-orbit and hyperfine interactions on spin blockade S. Nadj-Perge, S. M. Frolov, J. W. W. van Tilburg, J. Danon, Yu. V. Nazarov, R. Algra, E. P. A. M. Bakkers, and L. P. Kouwenhoven Phys. Rev. B 81, 201305(R) (2010) – Published 17 May 2010
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63622
Deposited By: Ruth Sustaita
Deposited On:13 Jan 2016 17:22
Last Modified:10 Nov 2021 23:19

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