Chatwin-Davies, Aidan and Jermyn, Adam S. and Carroll, Sean M. (2015) How to Recover a Qubit That Has Fallen Into a Black Hole. Physical Review Letters, 115 (26). Art. No. 261302. ISSN 0031-9007. doi:10.1103/PhysRevLett.115.261302. https://resolver.caltech.edu/CaltechAUTHORS:20150731-184935946
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Abstract
We demonstrate an algorithm for the retrieval of a qubit, encoded in spin angular momentum, that has been dropped into a no-firewall black hole. Retrieval is achieved analogously to quantum teleportation by collecting Hawking radiation and performing measurements on the black hole. Importantly, these methods require only the ability to perform measurements from outside the event horizon.
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Additional Information: | © 2015 American Physical Society. Received 2 August 2015; published 30 December 2015. We thank Gil Refael, who was instrumental in the conception of this protocol. We also thank Ning Bao, Achim Kempf, Stefan Leichenauer, Don Marolf, Don Page, John Preskill, Grant Remmen, and Guillaume Verdon-Akzam for helpful discussions. This research is funded in part by the Walter Burke Institute for Theoretical Physics at Caltech, by DOE Grant No. DE-SC0011632, and by the Gordon and Betty Moore Foundation through Grant No. 776 to the Caltech Moore Center for Theoretical Cosmology and Physics. A. C.-D. is supported by the NSERC Postgraduate Scholarship program. A. S. J. is supported by a Barry M. Goldwater Scholarship. | ||||||||||||
Group: | Walter Burke Institute for Theoretical Physics, Moore Center for Theoretical Cosmology and Physics | ||||||||||||
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Issue or Number: | 26 | ||||||||||||
Classification Code: | PACS numbers: 04.70.Dy, 03.67.-a, 03.67.Ac, 04.60.-m | ||||||||||||
DOI: | 10.1103/PhysRevLett.115.261302 | ||||||||||||
Record Number: | CaltechAUTHORS:20150731-184935946 | ||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150731-184935946 | ||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
ID Code: | 59127 | ||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||
Deposited By: | Joy Painter | ||||||||||||
Deposited On: | 06 Aug 2015 18:39 | ||||||||||||
Last Modified: | 10 Nov 2021 22:15 |
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