Institution: | 1.Information Science and Engineering College, Dalian Polytechnic University,;Dalian 116034, China
;2.Advanced Science Institute, RIKEN, Wako-shi, Saitama 351-0198, Japan
;3.Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
;4.Department of Physics, Hangzhou Normal University, Hangzhou 310036, China
;5.Institute of Theoretical Physics, Northeast Normal University, Changchun;130000, China |