Remote State Preparation

Charles H. Bennett, David P. DiVincenzo, Peter W. Shor, John A. Smolin, Barbara M. Terhal, and William K. Wootters
Phys. Rev. Lett. 87, 077902 – Published 26 July 2001; Erratum Phys. Rev. Lett. 88, 099902 (2002)
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Abstract

Quantum teleportation uses prior entanglement and forward classical communication to transmit one instance of an unknown quantum state. Remote state preparation (RSP) has the same goal, but the sender knows classically what state is to be transmitted. We show that the asymptotic classical communication cost of RSP is one bit per qubit—half that of teleportation—and even less when transmitting part of a known entangled state. We explore the tradeoff between entanglement and classical communication required for RSP, and discuss RSP capacities of general quantum channels.

  • Received 7 November 2000

DOI:https://doi.org/10.1103/PhysRevLett.87.077902

©2001 American Physical Society

Erratum

Erratum: Remote State Preparation [Phys. Rev. Lett. 87, 077902 (2001)]

Charles H. Bennett, David P. DiVincenzo, Peter W. Shor, John A. Smolin, Barbara M. Terhal, and William K. Wootters
Phys. Rev. Lett. 88, 099902 (2002)

Authors & Affiliations

Charles H. Bennett1, David P. DiVincenzo1, Peter W. Shor2, John A. Smolin1, Barbara M. Terhal1, and William K. Wootters3

  • 1IBM Research Division, Yorktown Heights, New York 10598
  • 2AT&T Labs–Research, Florham Park, New Jersey 07932
  • 3Department of Physics, Williams College, Williamstown, Massachusetts 01267

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Issue

Vol. 87, Iss. 7 — 13 August 2001

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