Topological protection and noiseless subsystems

Paolo Zanardi A, Seth Lloyd

Published Aug 21, 2002• 3 citations

Abstract

Encoding and manipulation of quantum information by means of topological degrees of freedom provides a promising way to achieve natural fault-tolerance that is built-in at the physical level. We show that this topological approach to quantum information processing is a particular instance of the notion of computation in a noiseless quantum subsystem. The latter then provide the most general conceptual framework for quantum-information stabilizing strategies

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