Affiliation: | (1) Department of physics and information engineering, Hunan Institute of Humanities, Science and Technology, Loudi, 417000, P.R. China;(2) State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, The Chinese Academy of Sciences, Wuhan, 430071, P.R. China;(3) Department of Physics, Shaoguan University, Shaoguan, 512005, P.R. China |