Authors: Hillery, Mark¹; Buzek, Vladimir²

Source: Contemporary Physics, Volume 50, Number 5, September 2009 , pp. 575-586(12)

Publisher: Taylor and Francis Ltd

Abstract:

We discuss quantum information processing machines. We start with single purpose machines that either redistribute quantum information or identify quantum states. We then move on to machines that can perform a number of functions, with the function they perform being determined by a program, which is itself a quantum state. Examples of both deterministic and probabilistic programmable machines are given, and we conclude with a discussion of the utility of quantum programs.

Keywords: quantum information theory; quantum control; programmable quantum processors; quantum cloners

Document Type: Research article

DOI: http://dx.doi.org/10.1080/00107510902924786

Affiliations: 1: Department of Physics, Hunter College of CUNY, New York, NY, USA 2: Research Center for Quantum Information, Institute of Physics, Slovak Academy of Sciences, Bratislava, Slovakia,Quniverse, Bratislava, Slovakia

Publication date: 2009-09-01

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