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Quantum communication via controlled holes in the statistical distribution of excitations in a nanoresonator coupled to a Cooper pair box
Authors:C. Valverde  A.T. Avelar  B. Baseia
Affiliation:Universidade Paulista, Rod. BR 153, km 7, 74845-090 Goiânia, GO, Brazil;Universidade Estadual de Goiás, Rod. BR 153, 3105, 75132-903 Anápolis, GO, Brazil;Instituto de Física, Universidade Federal de Goiás, 74001-970 Goiânia, GO, Brazil;Instituto de Física, Universidade Federal de Goiás, 74001-970 Goiânia, GO, Brazil;Instituto de Física, Universidade Federal de Goiás, 74001-970 Goiânia, GO, Brazil
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.
Keywords:quantum communication  quantum state engineering  superconducting circuits  nanomechanical resonator
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