Department;
of;
Mathematics;
&;
Physics,;
West;
Anhui;
University,;
Lu'an;
237012,;
China;
School;
of;
Physics;
&;
Material;
Science,;
Anhui;
University,;
Hefei;
230039,;
China;
Teaching;
&;
Research;
Section;
of;
Physics,;
School;
of;
Basic;
Medical;
Science,;
Anhui;
Medical;
University,;
Hefei;
230032,;
China;