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Bulletin of the American Physical Society

Arbitrary quantum channel simulations of a superconducting qudit system

Weizhou Cai, Jiaxiu Han, Ling Hu, Yuwei Ma, Yuan Xu, Xianghao Mu, Yipu Song, Chang‐Ling Zou, Luyan Sun

Published Mar 3, 2020• 0 citations
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In article number 2100500, Xinsheng Tan, Yang Yu, and co-workers use a four-level superconducting quantum loop to simulate a two-qubit quantum system. By mapping the energy levels of the two-qubit system to a non-composite system, simulations of several quantum gate operations, including the CNOT gate and the Hadamard gate, are completed in a convenient way. Furthermore, the authors generate entangled states to verify the log2 entropic inequality. The results indicate that the superconducting qudit is indeed a huge quantum platform for quantum information.