Unified derivations of measurement-based schemes for quantum computation

Childs, AM, Leung, DW and Nielsen, MA (2005) Unified derivations of measurement-based schemes for quantum computation. Physical Review A, 71 3: . doi:10.1103/PhysRevA.71.032318

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Author Childs, AM
Leung, DW
Nielsen, MA
Title Unified derivations of measurement-based schemes for quantum computation
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2005
Sub-type Article (original research)
DOI 10.1103/PhysRevA.71.032318
Open Access Status File (Publisher version)
Volume 71
Issue 3
Total pages 14
Editor B Crasemann
Place of publication United States
Publisher American Physical Society
Collection year 2005
Language eng
Subject C1
240301 Atomic and Molecular Physics
780102 Physical sciences
Abstract We present unified, systematic derivations of schemes in the two known measurement-based models of quantum computation. The first model (introduced by Raussendorf and Briegel, [Phys. Rev. Lett. 86, 5188 (2001)]) uses a fixed entangled state, adaptive measurements on single qubits, and feedforward of the measurement results. The second model (proposed by Nielsen, [Phys. Lett. A 308, 96 (2003)] and further simplified by Leung, [Int. J. Quant. Inf. 2, 33 (2004)]) uses adaptive two-qubit measurements that can be applied to arbitrary pairs of qubits, and feedforward of the measurement results. The underlying principle of our derivations is a variant of teleportation introduced by Zhou, Leung, and Chuang, [Phys. Rev. A 62, 052316 (2000)]. Our derivations unify these two measurement-based models of quantum computation and provide significantly simpler schemes.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Computer
Arrays
Model
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2006 Higher Education Research Data Collection
School of Physical Sciences Publications
 
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Created: Wed, 15 Aug 2007, 06:12:13 EST