Generation of Multi-qubit Graph States via Spin Networks

We propose an efficient scheme for preparing multi-qubit graph states via spin networks. The classical types of graph states including cluster state, Greenberger-Horne-Zeilinger state and circle-shaped states can be generated by using imaginary SWAP gate. Our method makes the generation of multipart...

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Bibliographic Details
Published inInternational journal of theoretical physics Vol. 50; no. 10; pp. 3033 - 3042
Main Authors Piao, Min-Zhe, Wang, Hong-Fu, Shao, Xiao-Qiang, Ji, Xin, Zhang, Shou
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.10.2011
Subjects
Elementary Particles
Mathematical and Computational Physics
Physics
Physics and Astronomy
Quantum Field Theory
Quantum Physics
Theoretical
Spin networks
Multi-qubit graph states
SWAP gate
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Summary:We propose an efficient scheme for preparing multi-qubit graph states via spin networks. The classical types of graph states including cluster state, Greenberger-Horne-Zeilinger state and circle-shaped states can be generated by using imaginary SWAP gate. Our method makes the generation of multipartite entangled graph states more efficient than the ones based on conventional controlled-NOT and controlled phase flip gate for solid-state devices.
ISSN:0020-7748
1572-9575
DOI:10.1007/s10773-011-0803-1