Implementation of the Grover search algorithm with Josephson charge qubits

A scheme of implementing the Grover search algorithm based on Josephson charge qubits has been proposed, which would be a key step to scale more complex quantum algorithms and very important for constructing a real quantum computer via Josephson charge qubits. The present scheme is simple but fairly...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2007-03, Vol.453 (1), p.76-79
Main Authors: Zheng, Xiao-Hu, Dong, Ping, Xue, Zheng-Yuan, Cao, Zhuo-Liang
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Grover search algorithm
Josephson charge qubits
Physics
Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions
Quantum computation
Quantum information
Superconduction
Superconductivity
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Summary:A scheme of implementing the Grover search algorithm based on Josephson charge qubits has been proposed, which would be a key step to scale more complex quantum algorithms and very important for constructing a real quantum computer via Josephson charge qubits. The present scheme is simple but fairly efficient, and easily manipulated because any two-charge-qubit can be selectively and effectively coupled by a common inductance. More manipulations can be carried out before decoherence sets in. Our scheme can be realized within the current technology.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2006.12.015