Controllable strong coupling between individual spin qubits and a transmission line resonator via nanomechanical resonators |
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| Authors: | Ming Gao Chun-Wang WuZhi-Jiao Deng Wen-Jie ZouLi-gong Zhou Cheng-Zu LiXiang-Bin Wang |
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| Institution: | a Department of Physics, National University of Defense Technology, Changsha, 410073, China
b Department of Physics and the Key Laboratory of Atomic and Nanosciences, Ministry of Education, Tsinghua University, Beijing, 100084, China |
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| Abstract: | We investigate a hybrid quantum system where an individual electronic spin qubit (EQ) and a transmission line resonator (TLR) are connected by a nanomechanical resonator (NAMR). We analyze the possibility of realizing a strong coupling between the EQ and the TLR. Compared with a direct coupling between an EQ and a TLR, the achieved coupling can be stronger and controllable. The proposal might be used to implement a high-fidelity quantum state transfer between the spin qubit and the TLR, and is scalable to involve several individual EQ-NAMR coupled systems with a TLR. |
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| Keywords: | Controllable strong coupling Individual spin qubit Transmission line resonator Nanomechanical resonator |
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