Xia Xu, Yang Juan, Fu Yu-Liang, Wu Xian-Ming, Geng Hai, Hu Zhan. Numerical simulation of influence of magnetic field on plasma characteristics and surface current of ion source of 2-cm electron cyclotron resonance ion thrusterJ. Acta Physica Sinica, 2021, 70(7): 075204. DOI: 10.7498/aps.70.20201667