Article Information
vol. 5 no. 3
- Received for publication July 23, 2018
- Accepted for publication January 28, 2019
- .
Author Information
- 1National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China.
- 2Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China.
- 3Department of Physics, Harvard University, Cambridge, MA 02138, USA.
- 4Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
- ↵*Corresponding author. Email: xgwan{at}nju.edu.cn