Zhejiang University of Technology, Zhejiang University of Technology, affiliation not provided to SSRN, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, Zhejiang University of Technology, City University of Hong Kong (CityU), City University of Hong Kong (CityU), City University of Hong Kong (CityU), City University of Hong Kong (CityU), City University of Hong Kong (CityU), Zhejiang University of Technology and City University of Hong Kong (CityU) - Department of Physics