1. Computational Research
Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
2. Department
of Mathematics, University of California, 1083 Evans Hall, Berkeley, California 94720, United States
3. Department
of Chemistry and Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, 536 Hamilton Hall, Lincoln, Nebraska 68588, United States
4. Hefei National Laboratory for Physical
Sciences at Microscale, Department of Chemical Physics, and Synergetic
Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, 96 JinZhai Road, Hefei, Anhui 230026, China