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Demonstration of superadiabatic population transfer in superconducting qubit |
| Mengmeng Li(李蒙蒙), Xinsheng Tan(谭新生), Kunzhe Dai(戴坤哲), Peng Zhao(赵鹏), Haifeng Yu(于海峰), Yang Yu(于扬) |
| National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China |
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Abstract We implemented the superadiabatic population transfer within the nonadiabatic regime in a two-level superconducting qubit system. To realize the superadiabatic procedure, we added an additional term in the Hamiltonian, introducing an auxiliary counter-diabatic field to cancel the nonadiabatic contribution in the evolution. Based on the superadiabatic procedure, we further demonstrated quantum Phase and NOT gates. These operations, which possess both of the fast and robust features, are promising for quantum information processing.
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Received: 01 March 2018
Revised: 22 March 2018
Accepted manuscript online:
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PACS:
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32.80.Xx
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(Level crossing and optical pumping)
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03.67.Lx
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(Quantum computation architectures and implementations)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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| Fund: Project supported by the National Key Basic Research and Development Program of China (Grant No.2016YFA0301802) and the National Natural Science Foundation of China (Grant Nos.11274156,11504165,11474152,and 61521001). |
Corresponding Authors:
Xinsheng Tan, Haifeng Yu
E-mail: txs.nju@gmail.com;hfyu@nju.edu.cn
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Cite this article:
Mengmeng Li(李蒙蒙), Xinsheng Tan(谭新生), Kunzhe Dai(戴坤哲), Peng Zhao(赵鹏), Haifeng Yu(于海峰), Yang Yu(于扬) Demonstration of superadiabatic population transfer in superconducting qubit 2018 Chin. Phys. B 27 063202
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