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Atomic Spin Polarization Controllability Analysis:A Novel Controllability Determination Method for Spin-Exchange Relaxation-Free Co-Magnetometers

查看全文 作　　者：Zhuo [1,2,3]Wang;Sixun [4]Liu;Ruigang [4]Wang;Linlin [4]Yuan;Jiong [4]Huang;Yueyang [5]Zhai;Sheng [5]Zou 高影响力作者 机构地区：[1]IEEE;[2]the Research Institute for Frontier Science;[3]the Beijing Advanced Innovation Center for Big Data-Based Precision Medicine,Beihang University;[4]the School of Instrumentation and Optoelectronic Engineering,Beihang University;[5]the Research Institute of Frontier Science,Beihang University高影响力机构 出　　处：《IEEE/CAA Journal of Automatica Sinica》索引2022年第9卷第4期,共10页高影响力期刊 基　　金：supported in part by the National Natural Science Foundation of China(61673041,62003022);the Beijing Academy of Quantum Information Science Research Program(Y18G34)。 摘　　要：This paper investigates the atomic spin polarization controllability of spin-exchange relaxation-free co-magnetometers(SERFCMs).This is the first work in the field of controllability analysis for the atomic spin ensembles systems,whose dynamic behaviors of spin polarization are described by the Bloch equations.Based on the Bloch equations,a state-space model of the atomic spin polarization for SERFCM is first established,which belongs to a particular class of nonlinear systems.For this class of nonlinear systems,a novel determination method for the global state controllability is proposed and proved.Then,this method is implemented in the process of controllability analysis on the atomic spin polarization of an actual SERFCM.Moreover,a theoretically feasible and reasonable solution of the control input is proposed under some physical constraints,with whose limitation of realistic conditions,the controller design can be accomplished more practically and more exactly.Finally,the simulation results demonstrate the feasibility and validation of the proposed controllability determination method. 关 键 词：Atomic spin polarization Bloch equations controllability determination nonlinear state-space model spin-exchange relaxation-free co-magnetometer(SERFCM)
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