State Transfer via On-Line State Estimation and Lyapunov-Based Feedback Control for a N-Qubit System

被引：6
|
作者：
Harraz, Sajede [1 ]
Cong, Shuang [1 ]
机构：
[1] Univ Sci & Technol China, Dept Automat, Hefei 230027, Anhui, Peoples R China
来源：
ENTROPY | 2019年 / 21卷 / 08期
关键词：
quantum Lyapunov control; state transfer; quantum state estimation; quantum feedback control; on-line quantum state estimation; QUANTUM CONTROL;
D O I：
10.3390/e21080751
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we propose a Lyapunov-based state feedback control for state transfer based on the on-line quantum state estimation (OQSE). The OQSE is designed based on continuous weak measurements and compressed sensing. The controlled system is described by quantum master equation for open quantum systems, and the continuous measurement operators are derived according to the dynamic equation of system. The feedback control law is designed based on the Lyapunov stability theorem, and a strict proof of proposed control laws are given. At each sampling time, the state is estimated on-line, which is used to design the control law. The simulation experimental results show the effectiveness of the proposed feedback control strategy.
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收藏
页数：11
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