About the Authors

Xiang-Wen Wang

Affiliations Alibaba Research Center for Complexity Sciences, Hangzhou Normal University, Hangzhou, China, Department of Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, United States of America, Department of Modern Physics, University of Science and Technology of China, Hefei, China

Xiao-Pu Han

xp@hznu.edu.cn

Affiliation Alibaba Research Center for Complexity Sciences, Hangzhou Normal University, Hangzhou, China

Bing-Hong Wang

Affiliations Department of Modern Physics, University of Science and Technology of China, Hefei, China, College of Physics and Electronic Information Engineering, Wenzhou University, Wenzhou, China, The Research Center for Complex System Science, University of Shanghai for Science and Technology, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XPH. Performed the experiments: XWW. Analyzed the data: XWW. Contributed reagents/materials/analysis tools: XPH XWW BHW. Wrote the paper: XPH XWW. Useful discussions: BHW.