Unifying Quantum Computation with Projective Measurements only and One-Way Quantum Computation

Abstract : Quantum measurement is universal for quantum computation. Two models for performing measurement-based quantum computation exist: the one-way quantum computer was introduced by Briegel and Raussendorf, and quantum computation via projective measurements only by Nielsen. The more recent development of this second model is based on state transfers instead of teleportation. From this development, a finite but approximate quantum universal family of observables is exhibited, which includes only one two-qubit observable, while others are one-qubit observables. In this article, an infinite but exact quantum universal family of observables is proposed, including also only one two-qubit observable. The rest of the paper is dedicated to compare these two models of measurement-based quantum computation, i.e. one-way quantum computation and quantum computation via projective measurements only. From this comparison, which was initiated by Cirac and Verstraete, closer and more natural connections appear between these two models. These close connections lead to a unified view of measurement-based quantum computation.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-01378676
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Submitted on : Monday, October 10, 2016 - 3:49:42 PM
Last modification on : Thursday, January 11, 2018 - 6:27:34 AM

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Philippe Jorrand, Simon Perdrix. Unifying Quantum Computation with Projective Measurements only and One-Way Quantum Computation. Quantum Informatics 2004, Jan 2004, Moscow, Russia. ⟨10.1117/12.620302⟩. ⟨hal-01378676⟩

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