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Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels

Phys. Rev. Lett. 70, 1895 – Published 29 March 1993
Charles H. Bennett, Gilles Brassard, Claude Crépeau, Richard Jozsa, Asher Peres, and William K. Wootters

Abstract

An unknown quantum state ‖φ〉 can be disassembled into, then later reconstructed from, purely classical information and purely nonclassical Einstein-Podolsky-Rosen (EPR) correlations. To do so the sender, ‘‘Alice,’’ and the receiver, ‘‘Bob,’’ must prearrange the sharing of an EPR-correlated pair of particles. Alice makes a joint measurement on her EPR particle and the unknown quantum system, and sends Bob the classical result of this measurement. Knowing this, Bob can convert the state of his EPR particle into an exact replica of the unknown state ‖φ〉 which Alice destroyed.

DOI: http://dx.doi.org/10.1103/PhysRevLett.70.1895

  • Received 2 December 1992
  • Published in the issue dated 29 March 1993

© 1993 The American Physical Society

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Authors & Affiliations

Charles H. Bennett, Gilles Brassard, Claude Crépeau, Richard Jozsa, Asher Peres, and William K. Wootters

  • IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York 10598
  • Département IRO, Université de Montréal, C.P. 6128, Succursale ‘‘A’’, Montréal, Québec, Canada H3C 3J7
  • Laboratoire d’Informatique de l’École Normale Supérieure, 45 rue d’Ulm, 75230 Paris CEDEX 05, France
  • Department of Physics, Technion–Israel Institute of Technology, 32000 Haifa, Israel
  • Department of Physics, Williams College, Williamstown, Massachusetts 01267

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