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Phys. Rev. B 67, 224514 (2003) [5 pages]

Communicating Josephson qubits

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F. Plastina1 and G. Falci2
1NEST-INFM & Scuola Normale Superiore, I-56127 Pisa, Italy
2NEST-INFM & Dipartimento di Metodologie Fisiche e Chimiche (DMFCI), Università di Catania, viale A. Doria 6, I-95125 Catania, Italy

Received 17 March 2003; published 26 June 2003

We propose a scheme to implement a quantum information transfer protocol with a superconducting circuit and Josephson charge qubits. The information exchange is mediated by an L-C resonator used as a data bus. The main decoherence sources are analyzed in detail.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.67.224514
DOI:
10.1103/PhysRevB.67.224514
PACS:
74.50.+r, 03.67.Hk, 73.23.Hk