Published December 31, 2015 | Version Submitted + Published
Journal Article Open

How to Recover a Qubit That Has Fallen Into a Black Hole

  • 1. ROR icon California Institute of Technology

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.

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.

Attached Files

Published - PhysRevLett.115.261302.pdf

Submitted - 1507.03592v1.pdf

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Additional details

Identifiers

Eprint ID
59127
Resolver ID
CaltechAUTHORS:20150731-184935946

Related works

Funding

Walter Burke Institute for Theoretical Physics, Caltech
Department of Energy (DOE)
DE-SC0011632
Gordon and Betty Moore Foundation
776
Natural Sciences and Engineering Research Council of Canada (NSERC)
Barry M. Goldwater Scholarship

Dates

Created
2015-08-06
Created from EPrint's datestamp field
Updated
2021-11-10
Created from EPrint's last_modified field

Caltech Custom Metadata

Caltech groups
Walter Burke Institute for Theoretical Physics , Moore Center for Theoretical Cosmology and Physics
Other Numbering System Name
CALT-TH
Other Numbering System Identifier
2015-035