EXACT REMOTE STATE PREPARATION FOR MULTIPARTIES USING DARK STATES

Author:

AGRAWAL P.1,PARASHAR P.2,PATI A. K.13

Affiliation:

1. Institute of Physics, Sainik School Post, Bhubaneswar-751005, India

2. Physics and Applied Mathematics Unit, Indian Statistical Institute, Kolkata, India

3. School of Informatics, University of Wales, Bangor LL 57 1UT, UK

Abstract

We discuss the exact remote state preparation (RSP) protocol of special ensembles of qubits at multiple locations. Generalization of this protocol for higher dimensional Hilbert space systems for multiparties is also presented. Using the "dark states", for multiparties in higher dimensions as quantum channels, we show several instances of remote state preparation protocol using multiparticle measurement and classical communication. We find that not all dark states can be used for exact remote state preparation, nevertheless any superposition of dark states can be used for exact RSP in a probabilistic manner.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

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