【作者】 王馨艺； 匡森； 俎云霄；

【Author】 Wang Xinyi;Kuang Sen;Zu Yunxiao;University of Science and Technology of China;Beijing University of Posts and Telecommunications;

【机构】 中国科学技术大学； 北京邮电大学；

【摘要】 量子控制是促进量子信息技术领域发展的一个重要课题。本文针对多量子位封闭系统,提出了一种基于差分进化算法的李雅普诺夫控制机制,该机制能实现多量子位系统对于系统内部哈密顿量任意本征态的高保真度转移。借助李雅普诺夫方法,设计了含有未知参数的控制律,并使用差分进化算法得到未知参数的一组最优值以实现控制目标。在一个三量子位系统上进行了数值仿真实验,仿真结果表明基于差分进化算法的李雅普诺夫控制机制可以达到良好的控制效果。更多还原

【Abstract】 Quantum control is an important subject to promote the development of quantum information technology.In this paper,we proposed a Lyapunov control mechanism based on differential evolution algorithm formulti-qubit closed systems,which can achieve high-fidelity transfer of the multi-qubit system to any eigenstate of the internal Hamiltonian.Via the Lyapunov method,a control law with unknown parameters is designed and a set of optimal values of these parameters are obtained to achieve the control objective by using the Differential Evolution algorithm.Numerical simulation experiments are performed on a three-qubit system and the simulation results show that the Lyapunov control mechanism based on differential evolution algorithm can achieve good control effect.更多还原