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Closed Timelike Curves via Postselection: Theory and Experimental Test of Consistency

dc.contributor.authorLloyd, Seth
dc.contributor.authorMaccone, Lorenzo
dc.contributor.authorGarcia-Patron Sanchez, Raul
dc.contributor.authorGiovannetti, Vittorio
dc.contributor.authorShikano, Yutaka
dc.contributor.authorPirandola, Stefano
dc.contributor.authorRozema, Lee A.
dc.contributor.authorArdavan, Darabi
dc.contributor.authorSoudagar, Yasaman
dc.contributor.authorShalm, Lynden K.
dc.contributor.authorSteinberg, Aephraim M.
dc.date.accessioned2011-05-24T18:36:17Z
dc.date.available2011-05-24T18:36:17Z
dc.date.issued2011-01
dc.date.submitted2010-11
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/1721.1/63096
dc.description.abstractClosed timelike curves (CTCs) are trajectories in spacetime that effectively travel backwards in time: a test particle following a CTC can interact with its former self in the past. A widely accepted quantum theory of CTCs was proposed by Deutsch. Here we analyze an alternative quantum formulation of CTCs based on teleportation and postselection, and show that it is inequivalent to Deutsch’s. The predictions or retrodictions of our theory can be simulated experimentally: we report the results of an experiment illustrating how in our particular theory the “grandfather paradox” is resolved.en_US
dc.description.sponsorshipNational Science Foundation (U.S.)en_US
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canadaen_US
dc.description.sponsorshipUnited States. Defense Advanced Research Projects Agencyen_US
dc.description.sponsorshipUnited States. Office of Naval Researchen_US
dc.description.sponsorshipQuantumWorks Corporationen_US
dc.description.sponsorshipCanadian Institute for Advanced Researchen_US
dc.description.sponsorshipNational Institute of Standards and Technology (U.S.)en_US
dc.language.isoen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1103/PhysRevLett.106.040403en_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.sourceAPSen_US
dc.titleClosed Timelike Curves via Postselection: Theory and Experimental Test of Consistencyen_US
dc.typeArticleen_US
dc.identifier.citationLloyd, Seth, et al. "Closed Timelike Curves via Postselection: Theory and Experimental Test of Consistency." American Physical Society, 2011, 106:4, © 2011 The American Physical Society.en_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Mechanical Engineeringen_US
dc.contributor.departmentW. M. Keck Foundation Center for Extreme Quantum Information Theoryen_US
dc.contributor.approverLloyd, Seth
dc.contributor.mitauthorLloyd, Seth
dc.contributor.mitauthorMaccone, Lorenzo
dc.contributor.mitauthorGarcia-Patron Sanchez, Raul
dc.contributor.mitauthorShikano, Yutaka
dc.contributor.mitauthorPirandola, Stefano
dc.relation.journalPhysical Review Lettersen_US
dc.eprint.versionFinal published versionen_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dspace.orderedauthorsLloyd, Seth; Maccone, Lorenzo; Garcia-Patron, Raul; Giovannetti, Vittorio; Shikano, Yutaka; Pirandola, Stefano; Rozema, Lee; Darabi, Ardavan; Soudagar, Yasaman; Shalm, Lynden; Steinberg, Aephraimen
mit.licensePUBLISHER_POLICYen_US
mit.metadata.statusComplete


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