| Single-Shot Correlations and Two-Qubit Gate of Solid-State Spins. | |
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MedLine Citation:
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PMID: 21817015 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Measurement of coupled quantum systems plays a central role in quantum information processing. We have realized independent single-shot read-out of two electron spins in a double quantum dot. The read-out method is all-electrical, cross-talk between the two measurements is negligible, and read-out fidelities are about 86% on average. This allows us to directly probe the anticorrelations between two spins prepared in a singlet state, and to demonstrate the operation of the two-qubit exchange gate on a complete set of basis states. The results provide a possible route to the realization and efficient characterization of multiqubit quantum circuits based on single quantum dot spins. |
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Authors:
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K C Nowack; M Shafiei; M Laforest; G E D K Prawiroatmodjo; L R Schreiber; C Reichl; W Wegscheider; L M K Vandersypen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-4 |
Journal Detail:
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Title: Science (New York, N.Y.) Volume: - ISSN: 1095-9203 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-8-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0404511 Medline TA: Science Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Kavli Institute of Nanoscience, Delft University of Technology, P. O. Box 5046, 2600 GA Delft, Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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