[Jia, Ya; Xu, Ying] Cent China Normal Univ, Inst Biophys, Wuhan 430079, Hubei, Peoples R China.
[Jia, Ya; Xu, Ying] Cent China Normal Univ, Dept Phys, Wuhan 430079, Hubei, Peoples R China.
[Xu, Ying; Ma, Jun] Lanzhou Univ Technol, Dept Phys, Lanzhou 730050, Gansu, Peoples R China.
[Ahmad, Bashir; Alsaedi, Ahmed] King Abdulaziz Univ, Fac Sci, Dept Math, NAAM Res Grp, Jeddah 21589, Saudi Arabia.