[Wang, Qiuping A.; Zhu, Yueying] Univ Maine, IMMM, UMR CNRS 6283, F-72085 Le Mans, France.
[Zhao, Longfeng; Zhu, Yueying; Li, Wei; Cai, Xu] Cent China Normal Univ, Complex Sci Ctr, Wuhan 430079, Peoples R China.
[Zhao, Longfeng; Zhu, Yueying; Li, Wei; Cai, Xu] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
[Li, Wei] Max Planck Inst Math Sci, Inselst 22, D-04103 Leipzig, Germany.