About the Authors
- Kai Gong
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Affiliations Web Sciences Center, University of Electronic Science and Technology of China, Chengdu, People's Republic of China, Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China
- Ming Tang
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* E-mail: tangminghuang521@hotmail.com (MT); pmhui@phy.cuhk.edu.hk (PMH)
Affiliations Web Sciences Center, University of Electronic Science and Technology of China, Chengdu, People's Republic of China, Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China, Department of Mathematics, Kyungpook National University, Daegu, South Korea
- Pak Ming Hui
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* E-mail: tangminghuang521@hotmail.com (MT); pmhui@phy.cuhk.edu.hk (PMH)
Affiliation Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China
- Hai Feng Zhang
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Affiliation School of Mathematical Science, Anhui University, Hefei, People's Republic of China
- Do Younghae
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Affiliation Department of Mathematics, Kyungpook National University, Daegu, South Korea
- Ying-Cheng Lai
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Affiliations Department of Mathematics, Kyungpook National University, Daegu, South Korea, School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, Arizona, United States of Ameica
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MT PMH YCL YD. Performed the experiments: KG MT HFZ. Analyzed the data: KG MT PMH YCL. Contributed reagents/materials/analysis tools: KG PMH YD. Wrote the paper: KG MT PMH YD YCL.