1. Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
2. Google, Mountain View, California 94030, United States
3. Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
4. Argonne Leadership Computing Facility, Argonne National Laboratory, Lemont, Illinois 60439, United States
5. Department of Physics, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
6. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany
7. Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States