Generation of cluster states with Josephson charge qubits

A scheme for the generation of the cluster states based on the Josephson charge qubits is proposed. The two-qubit generation case is introduced first, and then generalized to multi-qubit case. The successful probability and fidelity of current multi-qubit cluster state are both 1.0. The scheme is si...

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Bibliographic Details
Published in:Physics letters. A 2007-05, Vol.365 (1), p.156-160
Main Authors: Zheng, Xiao-Hu, Dong, Ping, Xue, Zheng-Yuan, Cao, Zhuo-Liang
Format: Article
Language:English
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Summary:A scheme for the generation of the cluster states based on the Josephson charge qubits is proposed. The two-qubit generation case is introduced first, and then generalized to multi-qubit case. The successful probability and fidelity of current multi-qubit cluster state are both 1.0. The scheme is simple and can be easily manipulated, because any two charge qubits can be selectively and effectively coupled by a common inductance. More manipulations can be realized before decoherence sets in. All the devices in the scheme are well within the current technology.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2006.12.066