Quantum State Transfer with Tunable Couplings for Superconducting Qubits |
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Authors: | Long-Bao Yu Jun Liu Ping Dong Zhuo-Liang Cao |
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Institution: | 1. School of Electronic and Information Engineering, Hefei Normal University, Hefei, 230061, China
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Abstract: | Currently, scalability and decoherence are still the two crucial problems for realizing large-scale quantum computation. To transfer information efficiently in the field of quantum computer and quantum communication, we must solve the two problems reasonably. Here, we propose an efficient scheme for the implementation of quantum states transfer in different couplings of superconducting devices, which are coupled weakly over a long distance. It is found that the isotropic Heisenberg coupling can offer the perfect operation for arbitrary states transfer with the shortest time. The scheme is feasible because the couplings have been demonstrated in actual experiments recently. |
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