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Experimental temporal quantum steering
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SYSNO ASEP 0468776 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Experimental temporal quantum steering Author(s) Bartkiewicz, K. (PL)
Černoch, Antonín (FZU-D) RID, ORCID
Lemr, K. (CZ)
Miranowicz, A. (PL)
Nori, F. (JP)Number of authors 5 Article number 38076 Source Title Scientific Reports. - : Nature Publishing Group - ISSN 2045-2322
Roč. 6, Nov (2016), 1-8Number of pages 8 s. Language eng - English Country GB - United Kingdom Keywords temporal quantum steering ; EPR steering Subject RIV BH - Optics, Masers, Lasers R&D Projects GAP205/12/0382 GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000389347800001 EID SCOPUS 84999664652 DOI 10.1038/srep38076 Annotation Temporal steering is a form of temporal correlation between the initial and final state of a quantum system. It is a temporal analogue of the famous Einstein-Podolsky-Rosen (spatial) steering. We demonstrate, by measuring the photon polarization, that temporal steering allows two parties to verify if they have been interacting with the same particle, even if they have no information about what happened with the particle in between the measurements. This is the first experimental study of temporal steering. We also performed experimental tests, based on the violation of temporal steering inequalities, of the security of two quantum key distribution protocols against individual attacks. Thus, these results can lead to applications for secure quantum communications and quantum engineering. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2017
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