Pivoting makes the ZX-calculus complete for real stabilizers

We show that pivoting property of graph states cannot be derived from the axioms of the ZX-calculus, and that pivoting does not imply local complementation of graph states. Therefore the ZX-calculus augmented with pivoting is strictly weaker than the calculus augmented with the Euler decomposition o...

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Main Authors: Ross Duncan, Simon Perdrix
Format: Article
Language:English
Published: Open Publishing Association 2014-12-01
Series:Electronic Proceedings in Theoretical Computer Science
Online Access:http://arxiv.org/pdf/1307.7048v2
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author Ross Duncan
Simon Perdrix
author_facet Ross Duncan
Simon Perdrix
author_sort Ross Duncan
collection DOAJ
description We show that pivoting property of graph states cannot be derived from the axioms of the ZX-calculus, and that pivoting does not imply local complementation of graph states. Therefore the ZX-calculus augmented with pivoting is strictly weaker than the calculus augmented with the Euler decomposition of the Hadamard gate. We derive an angle-free version of the ZX-calculus and show that it is complete for real stabilizer quantum mechanics.
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spelling doaj.art-8282da89a1a742d4b0deb8d4e49f29b02022-12-21T23:49:22ZengOpen Publishing AssociationElectronic Proceedings in Theoretical Computer Science2075-21802014-12-01171Proc. QPL 2013506210.4204/EPTCS.171.5:duncanperdrixPivoting makes the ZX-calculus complete for real stabilizersRoss Duncan0Simon Perdrix1 University of Strathclyde CNRS We show that pivoting property of graph states cannot be derived from the axioms of the ZX-calculus, and that pivoting does not imply local complementation of graph states. Therefore the ZX-calculus augmented with pivoting is strictly weaker than the calculus augmented with the Euler decomposition of the Hadamard gate. We derive an angle-free version of the ZX-calculus and show that it is complete for real stabilizer quantum mechanics.http://arxiv.org/pdf/1307.7048v2
spellingShingle Ross Duncan
Simon Perdrix
Pivoting makes the ZX-calculus complete for real stabilizers
Electronic Proceedings in Theoretical Computer Science
title Pivoting makes the ZX-calculus complete for real stabilizers
title_full Pivoting makes the ZX-calculus complete for real stabilizers
title_fullStr Pivoting makes the ZX-calculus complete for real stabilizers
title_full_unstemmed Pivoting makes the ZX-calculus complete for real stabilizers
title_short Pivoting makes the ZX-calculus complete for real stabilizers
title_sort pivoting makes the zx calculus complete for real stabilizers
url http://arxiv.org/pdf/1307.7048v2
work_keys_str_mv AT rossduncan pivotingmakesthezxcalculuscompleteforrealstabilizers
AT simonperdrix pivotingmakesthezxcalculuscompleteforrealstabilizers