1. Center for Applied Physics and Technology, HEDPS, College of Engineering, Peking University, Beijing 100871, People's Republic of China
2. Beijing Institute of Big Data Research, Beijing 100871, People's Republic of China
3. Program in Applied and Computational Mathematics, Princeton University, Princeton, New Jersey 08544, USA
4. Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Huayuan Road 6, Beijing 100088, People's Republic of China