Error tolerance and tradeoffs in loss- and failure-tolerant quantum computing schemes

Rohde, PP; Ralph, TC; Munro, WJ

Error tolerance and tradeoffs in loss- and failure-tolerant quantum computing schemes

Rohde, PP

Ralph, TC Munro, WJ

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Publication Type:: Journal Article
Citation:: Physical Review A - Atomic, Molecular, and Optical Physics, 2007, 75 (1)
Issue Date:: 2007-01-25

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Field	Value	Language
dc.contributor.author	Rohde, PP https://orcid.org/0000-0002-5814-7289	en_US
dc.contributor.author	Ralph, TC	en_US
dc.contributor.author	Munro, WJ	en_US
dc.date.issued	2007-01-25	en_US
dc.identifier.citation	Physical Review A - Atomic, Molecular, and Optical Physics, 2007, 75 (1)	en_US
dc.identifier.issn	1050-2947	en_US
dc.identifier.uri	http://hdl.handle.net/10453/132373
dc.description.abstract	Qubit loss and gate failure are significant problems for the development of scalable quantum computing. Recently, various schemes have been proposed for tolerating qubit loss and gate failure. These include schemes based on cluster and parity states. We show that by designing such schemes specifically to tolerate these error types we cause an exponential blowout in depolarizing noise. We discuss several examples and propose techniques for minimizing this problem. In general, this introduces a tradeoff with other undesirable effects. In some cases this is physical resource requirements, while in others it is noise rates. © 2007 The American Physical Society.	en_US
dc.relation.ispartof	Physical Review A - Atomic, Molecular, and Optical Physics	en_US
dc.relation.isbasedon	10.1103/PhysRevA.75.010302	en_US
dc.subject.classification	General Physics	en_US
dc.title	Error tolerance and tradeoffs in loss- and failure-tolerant quantum computing schemes	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	75	en_US
utslib.for	01 Mathematical Sciences	en_US
utslib.for	02 Physical Sciences	en_US
utslib.for	03 Chemical Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - QSI - Centre for Quantum Software and Information
utslib.copyright.status	open_access
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	75	en_US

Abstract:

Qubit loss and gate failure are significant problems for the development of scalable quantum computing. Recently, various schemes have been proposed for tolerating qubit loss and gate failure. These include schemes based on cluster and parity states. We show that by designing such schemes specifically to tolerate these error types we cause an exponential blowout in depolarizing noise. We discuss several examples and propose techniques for minimizing this problem. In general, this introduces a tradeoff with other undesirable effects. In some cases this is physical resource requirements, while in others it is noise rates. © 2007 The American Physical Society.

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http://hdl.handle.net/10453/132373