Quantifying entanglement in a 68-billion-dimensional quantum state space

James Schneeloch; Christopher C. Tison; Michael L. Fanto; Paul M. Alsing; Gregory A. Howland

doi:10.1038/s41467-019-10810-z

Nature Communications (Jun 2019)

Quantifying entanglement in a 68-billion-dimensional quantum state space

James Schneeloch,
Christopher C. Tison,
Michael L. Fanto,
Paul M. Alsing,
Gregory A. Howland

Affiliations

James Schneeloch: Air Force Research Laboratory, Information Directorate
Christopher C. Tison: Air Force Research Laboratory, Information Directorate
Michael L. Fanto: Air Force Research Laboratory, Information Directorate
Paul M. Alsing: Air Force Research Laboratory, Information Directorate
Gregory A. Howland: Air Force Research Laboratory, Information Directorate

DOI: https://doi.org/10.1038/s41467-019-10810-z
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 7

Abstract

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Quantifying entanglement in a large quantum system requires an intractable number of measurements. Here, the authors demonstrate a method for certifying entanglement from extremely undersampled data by combining a new quantitative entanglement witness with an adaptive sampling procedure.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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