Sangam: A Confluence of Knowledge Streams

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

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dc.contributor Massachusetts Institute of Technology. Department of Mechanical Engineering
dc.contributor W. M. Keck Foundation Center for Extreme Quantum Information Theory
dc.contributor Lloyd, Seth
dc.contributor Lloyd, Seth
dc.contributor Maccone, Lorenzo
dc.contributor Garcia-Patron Sanchez, Raul
dc.contributor Shikano, Yutaka
dc.contributor Pirandola, Stefano
dc.creator Lloyd, Seth
dc.creator Maccone, Lorenzo
dc.creator Garcia-Patron Sanchez, Raul
dc.creator Giovannetti, Vittorio
dc.creator Shikano, Yutaka
dc.creator Pirandola, Stefano
dc.creator Rozema, Lee A.
dc.creator Ardavan, Darabi
dc.creator Soudagar, Yasaman
dc.creator Shalm, Lynden K.
dc.creator Steinberg, Aephraim M.
dc.date 2011-05-24T18:36:17Z
dc.date 2011-05-24T18:36:17Z
dc.date 2011-01
dc.date 2010-11
dc.date.accessioned 2023-03-01T18:07:10Z
dc.date.available 2023-03-01T18:07:10Z
dc.identifier 0031-9007
dc.identifier http://hdl.handle.net/1721.1/63096
dc.identifier Lloyd, 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.
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/278818
dc.description Closed 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.
dc.description National Science Foundation (U.S.)
dc.description Natural Sciences and Engineering Research Council of Canada
dc.description United States. Defense Advanced Research Projects Agency
dc.description United States. Office of Naval Research
dc.description QuantumWorks Corporation
dc.description Canadian Institute for Advanced Research
dc.description National Institute of Standards and Technology (U.S.)
dc.format application/pdf
dc.language en_US
dc.publisher American Physical Society
dc.relation http://dx.doi.org/10.1103/PhysRevLett.106.040403
dc.relation Physical Review Letters
dc.rights Article 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.
dc.source APS
dc.title Closed Timelike Curves via Postselection: Theory and Experimental Test of Consistency
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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