Spin-exchange relaxation of naturally abundant Rb in a K-Rb-21Ne self-compensated atomic comagnetometer

作     者：Yan Lu Yueyang Zhai Yong Zhang Wenfeng Fan Li Xing Wei Quan 卢妍;翟跃阳;张勇;范文峰;邢力;全伟

作者机构：School of Instrumentation Science and Opto-electronics EngineeringBeihang UniversityBeijing 100191China Research Institute of Frontier ScienceBeihang UniversityBeijing 100191China Beijing Academy of Quantum Information SciencesBeijing 100191China Beijing Advanced Innovation Center for Big Data-Based Precision MedicineBeihang UniversityBeijing 100191China 

出 版 物：《Chinese Physics B》 (中国物理B（英文版）)

年 卷 期：2020年第29卷第4期

页      面：258-266页

核心收录：

学科分类：080802[工学-电力系统及其自动化] 0808[工学-电气工程] 08[工学] 

基　　金：Project supported by the National Key R&D Program of China(Grant Nos.2016YFB0501600 and 2017YFB0503100) the National Natural Science Foundation of China(Grant Nos.61773043,61673041,61721091,and 61703025) the National Science Fund for Distinguished Young Scholars of China(Grant No.61925301) 

主　　题：comagnetometer naturally abundant Rb spin-exchange relaxation spin polarization 

摘      要：The total effective spin-exchange relaxation of naturally abundant Rb in a K–Rb–21Ne comagnetometer is analyzed,and the results show that the coexistence of 87Rb and 85Rb isotopes in the same volume can lead to a large extra spinexchange broadening compared to pure *** broadening mainly comes from the contribution of the equivalent reduction in the Rb spin-exchange *** this basis,an approximate relaxation model is proposed and experimentally demonstrated to be more accurate than that from a previous *** study also provides a method for determining the properties of alkali-metal vapor cells.