1. The Graduate Center, Physics, The City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
2. Department of Engineering, Physics, and
Technology, The City University of New York, BCC, 2155 University
Avenue, CPH 118, New York, New York 10453, United States
3. Department of Applied Physics, New York University, 6 Metrotech Center, New York, New York 11201, United States
4. Physics Department and Shanghai Key Laboratory of Magnetic
Resonance, East China Normal University, Shanghai 20062, China