Institution: | 1. National High Magnetic Field Laboratory and Department of Physics, Florida State University, Tallahassee, FL 32310, USA;2. Department of Physics, University of Crete and FORTH, GR-71003 Heraklion, Greece;3. Division of Physics and Applied Physics, Nanyang Technological University, Singapore;4. Brookhaven National Laboratory, Upton, NY 11973, USA |