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Quantum communication via controlled holes in the statistical distribution of excitations in a nanoresonator coupled to a Cooper pair box |
| C. Valverdea)b)c)†, A.T. Avelarc), and B. Baseiac) |
a. Universidade Paulista, Rod. BR 153, km 7, 74845-090 Goiânia, GO, Brazil;
b. Universidade Estadual de Goiás, Rod. BR 153, 3105, 75132-903 Anáplis, GO, Brazil;
c. Instituto de Física, Universidade Federal de Goiás, 74001-970 Goiânia, GO, Brazil |
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Abstract We propose a scheme to transmit information via the statistical distribution of excitations of a nanomechanical resonator. It employs a controllable coupling between this system and a Cooper pair box. The success probability and the fidelity are calculated and compared with those obtained in an atom-field system in different regimes. Addtionaly, the scheme can also be applied to prepare low excited Fock states.
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Received: 14 August 2011
Revised: 31 March 2012
Accepted manuscript online:
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PACS:
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03.67.Lx
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(Quantum computation architectures and implementations)
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42.50.Ex
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(Optical implementations of quantum information processing and transfer)
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42.50.Dv
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(Quantum state engineering and measurements)
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| Fund: Project supported by the FAPEG (CV), INCT-IQ (ATA), and the CNPq (ATA, BB). |
Corresponding Authors:
C. Valverde,valverde@ueg.br
E-mail: valverde@ueg.br
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Cite this article:
C. Valverde, A.T. Avelar, and B. Baseia Quantum communication via controlled holes in the statistical distribution of excitations in a nanoresonator coupled to a Cooper pair box 2012 Chin. Phys. B 21 030308
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