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Experimental quantum Hamiltonian identification from measurement time traces
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作者 Shi-Yao Hou Hang Li Gui-Lu Long 《科学通报:英文版》 SCIE EI CSCD 2017年第12期863-868,共6页
Identifying Hamiltonian of a quantum system is of vital importance for quantum information processing.In this article, we realized and benchmarked a quantum Hamiltonian identification algorithm recently proposed(Zhang... Identifying Hamiltonian of a quantum system is of vital importance for quantum information processing.In this article, we realized and benchmarked a quantum Hamiltonian identification algorithm recently proposed(Zhang and Sarovar, 2014). we realized the algorithm on a liquid nuclear magnetic resonance quantum information processor using two types of working media with different forms of Hamiltonian. Our experiment realized the quantum identification algorithm based on free induction decay signals. We also showed how to process data obtained in a practical experiment. We studied the influence of decoherence by numerical simulations. Our experiments and simulations demonstrate that the algorithm is effective and robust. 展开更多
关键词 量子信息处理 识别算法 实验实现 哈密顿量 测量时间 HAMILTONIAN 自由感应衰减信号 痕迹
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