Applied Science Department at Little Rock, University of Arkansas, Little Rock, Arkansas, United States of America.|Biophysics & Complex System Center and Theoretical Physics Center, Department of Physics, Jilin University, Changchun, Jilin, China.|Department of Chemistry and Department of Physics and Department of Applied Mathematics, State University of New York at Stony Brook, Stony Brook, New York, United States of America.|Biophysics & Complex System Center and Theoretical Physics Center, Department of Physics, Jilin University, Changchun, Jilin, China.