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Stationary entanglement between two nanomechanical oscillators induced by Coulomb interaction |
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| Institution: | 1. Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices (SIPSE), Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510006, China; 2. School of Information Engineering, Guangdong Medical University, Dongguan 523808, China |
| Abstract: | We propose a scheme for entangling two nanomechanical oscillators by Coulomb interaction in an optomechanical system. We find that the steady-state entanglement of two charged nanomechanical oscillators can be obtained when the coupling between them is stronger than a critical value which relies on the detuning. Remarkably, the degree of entanglement can be controlled by the Coulomb interaction and the frequencies of the two charged oscillators. |
| Keywords: | entanglement Coulomb interaction optomechanical system |
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