Phys. Rev. Lett. 90, 057901 (2003) - Optimal Remote State Preparation

Optimal Remote State Preparation

Dominic W. Berry and Barry C. Sanders

Phys. Rev. Lett. 90, 057901 – Published 4 February 2003

Abstract

We prove that it is possible to remotely prepare an ensemble of noncommuting mixed states using communication equal to the Holevo information for this ensemble. This remote preparation scheme may be used to convert between different ensembles of mixed states in an asymptotically lossless way, analogous to concentration and dilution for entanglement.

Received 15 September 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.057901

©2003 American Physical Society

Authors & Affiliations

Dominic W. Berry and Barry C. Sanders

Department of Physics and Centre for Advanced Computing—Algorithms and Cryptography, Macquarie University, Sydney, New South Wales 2109, Australia

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Issue

Vol. 90, Iss. 5 — 7 February 2003

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