1. Center for Soft Condensed Matter Physics and Interdisciplinary Research, School of Physical Science and Technology, Soochow University, Suzhou 215006, China
2. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
3. School of Science, Nantong University, Nantong 226019, China
4. Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou 215006, China
5. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
6. Department of Computational Mathematics, Science and Engineering, Michigan State University, East Lansing, Michigan 48824, USA