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Quantum computing based on semiconductor nanowires

Published online by Cambridge University Press:  14 October 2013

Sergey M. Frolov
Affiliation:
Department of Physics and Astronomy, University of Pittsburgh;frolovsm@pitt.edu
Sébastien R. Plissard
Affiliation:
Technische Universiteit Eindhoven, Department of Applied Physics, The Netherlands;s.r.plissard@tue.nl
Stevan Nadj-Perge
Affiliation:
Department of Physics, Princeton University;snadj@princeton.edu
Leo P. Kouwenhoven
Affiliation:
Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands;l.p.kouwenhoven@tudelft.nl
Erik P.A.M. Bakkers
Affiliation:
Technische Universiteit Eindhoven, Department of Applied Physics, The Netherlands;e.p.a.m.bakkers@tue.nl
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Abstract

A quantum computer will have computational power beyond that of conventional computers, which can be exploited for solving important and complex problems, such as predicting the conformations of large biological molecules. Materials play a major role in this emerging technology, as they can enable sophisticated operations, such as control over single degrees of freedom and their quantum states, as well as preservation and coherent transfer of these states between distant nodes. Here we assess the potential of semiconductor nanowires grown from the bottom-up as a materials platform for a quantum computer. We review recent experiments in which small bandgap nanowires are used to manipulate single spins in quantum dots and experiments on Majorana fermions, which are quasiparticles relevant for topological quantum computing.

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Type
Materials issues for quantum computation
Copyright
Copyright © Materials Research Society 2013 

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