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  • Giustina, MarissaAustrian Academic Science, Austria; University of Vienna, Austria (author)

A Significant-Loophole-Free Test of Bells Theorem with Entangled Photons

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • SPIE-INT SOC OPTICAL ENGINEERING,2017
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-144167
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-144167URI
  • https://doi.org/10.1117/12.2277696DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:kon swepub-publicationtype

Notes

  • Funding Agencies|program CoQuS of the FWF (Austrian Science Fund); EU Integrated Project SIQS; European Research Council Project AQUMET; European Union Project QUIC [641122]; Spanish MINECO under Severo Ochoa programme [SEV-2015-0522]; Project MAGO [FIS2011-23520]; Project XPLICA [FIS2014-62181-EXP]; Catalan AGAUR SGR [1295, 1623]; European Regional Development Fund (FEDER) [TEC2013-46168-R]; Fundacio Privada CELLEX; NIST Quantum Information Science Initiative; Austrian Academy of Sciences (OAW); European Research Council (SIQS Grant) [600645 EU-FP7-ICT]; Austrian Science Fund (FWF) [SFB F40]
  • John Bells theorem of 1964 states that local elements of physical reality, existing independent of measurement, are inconsistent with the predictions of quantum mechanics (Bell, J. S. (1964), Physics (College. Park. Md). 1 (3), 195). Specifically, correlations between measurement results from distant entangled systems would be smaller than predicted by quantum physics. This is expressed in Bells inequalities. Employing modifications of Bells inequalities, many experiments have been performed that convincingly support the quantum predictions. Yet, all experiments rely on assumptions, which provide loopholes for a local realist explanation of the measurement. Here we report an experiment with polarization-entangled photons that simultaneously closes the most significant of these loopholes. We use a highly efficient source of entangled photons, distributed these over a distance of 58.5 meters, and implemented rapid random setting generation and high-efficiency detection to observe a violation of a Bell inequality with high statistical significance. The merely statistical probability of our results to occur under local realism is less than 3.74 . 10(-31), corresponding to an 11.5 standard deviation effect.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Versteegh, Marijn A. M.Austrian Academic Science, Austria; University of Vienna, Austria (author)
  • Wengerowsky, SoerenAustrian Academic Science, Austria; University of Vienna, Austria (author)
  • Handsteiner, JohannesAustrian Academic Science, Austria; University of Vienna, Austria (author)
  • Hochrainer, ArminAustrian Academic Science, Austria; University of Vienna, Austria (author)
  • Phelan, KevinAustrian Academic Science, Austria (author)
  • Steinlechner, FabianAustrian Academic Science, Austria (author)
  • Kofler, JohannesBarcelona Institute Science and Technology, Spain (author)
  • Larsson, Jan-ÅkeLinköpings universitet,Informationskodning,Tekniska fakulteten(Swepub:liu)janla64 (author)
  • Abellan, CarlosBarcelona Institute Science and Technology, Spain (author)
  • Amaya, WaldimarBarcelona Institute Science and Technology, Spain (author)
  • Mitchell, Morgan W.Barcelona Institute Science and Technology, Spain; ICREA, Spain (author)
  • Beyer, JoernPhys Technical Bundesanstalt, Germany (author)
  • Gerrits, ThomasNIST, CO 80305 USA (author)
  • Lita, Adriana E.NIST, CO 80305 USA (author)
  • Shalm, Lynden K.NIST, CO 80305 USA (author)
  • Woo Nam, SaeNIST, CO 80305 USA (author)
  • Scheidl, ThomasAustrian Academic Science, Austria; University of Vienna, Austria (author)
  • Ursin, RupertAustrian Academic Science, Austria (author)
  • Wittmann, BernhardAustrian Academic Science, Austria; University of Vienna, Austria (author)
  • Zeilinger, AntonAustrian Academic Science, Austria; University of Vienna, Austria (author)
  • Austrian Academic Science, Austria; University of Vienna, AustriaAustrian Academic Science, Austria (creator_code:org_t)

Related titles

  • In:QUANTUM INFORMATION SCIENCE AND TECHNOLOGY III: SPIE-INT SOC OPTICAL ENGINEERING97815106134929781510613485

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