Mesoscopic entangled coherent states implemented with a circuit quantum electrodynamics system |
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Authors: | Zhao Ying-Yan and Jiang Nian-Quan |
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Affiliation: | Department of Physics, Wenzhou University, Wenzhou 325035, China |
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Abstract: | We show a scheme to generate entangled coherent states in a circuit quantum electrodynamics system, which consists of a nanomechanical resonator, a superconducting Cooper-pair box (CPB), and a superconducting transmission line resonator. In the system, the CPB plays the role of a nonlinear medium and can be conveniently controlled by a gate voltage including direct-current and alternating-current components. The scheme provides a powerful tool for preparing the multipartite mesoscopic entangled coherent states. |
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Keywords: | entanglement production and manipulation superconducting devices |
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