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Spectroscopy of Spin-Orbit Quantum Bits in Indium Antimonide Nanowires

Nadj-Perge, S. and Pribiag, V. S. and van den Berg, J. W. G. and Zuo, K. and Plissard, S. R. and Bakkers, E. P. A. M. and Frolov, S. M. and Kouwenhoven, L. P. (2012) Spectroscopy of Spin-Orbit Quantum Bits in Indium Antimonide Nanowires. Physical Review Letters, 108 (16). Art. No. 166801. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:20160113-070931708

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Abstract

A double quantum dot in the few-electron regime is achieved using local gating in an InSb nanowire. The spectrum of two-electron eigenstates is investigated using electric dipole spin resonance. Singlet-triplet level repulsion caused by spin-orbit interaction is observed. The size and the anisotropy of singlet-triplet repulsion are used to determine the magnitude and the orientation of the spin-orbit effective field in an InSb nanowire double dot. The obtained results are confirmed using spin blockade leakage current anisotropy and transport spectroscopy of individual quantum dots.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.108.166801DOIArticle
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.108.166801PublisherArticle
http://arxiv.org/abs/1201.3707arXivDiscussion Paper
ORCID:
AuthorORCID
Nadj-Perge, S.0000-0002-2916-360X
Additional Information:© 2012 American Physical Society. Received 9 January 2012; published 19 April 2012. We would like to thank J. Danon, Y. Nazarov, M. Rudner, D. Loss, F. Hassler, and J. van Tilburg for discussions and help. We acknowledge help with the measurement software from R. Heeres and P. de Groot. This work has been supported by ERC, NWO/FOM Netherlands Organization for Scientific Research, and through the DARPA program QUEST.
Funders:
Funding AgencyGrant Number
European Research Council (ERC)UNSPECIFIED
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:16
Classification Code:PACS numbers: 73.63.Kv, 85.35.Be
Record Number:CaltechAUTHORS:20160113-070931708
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160113-070931708
Official Citation:Spectroscopy of Spin-Orbit Quantum Bits in Indium Antimonide Nanowires S. Nadj-Perge, V. S. Pribiag, J. W. G. van den Berg, K. Zuo, S. R. Plissard, E. P. A. M. Bakkers, S. M. Frolov, and L. P. Kouwenhoven Phys. Rev. Lett. 108, 166801 (2012) – Published 19 April 2012
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63612
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:13 Jan 2016 17:28
Last Modified:03 Oct 2019 09:30

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