Affiliation: | 1. Department of Quantum Matter Physics, University of Geneva, Geneva, Switzerland;2. Swiss Light Source, Paul Scherrer Institute, Villigen, Switzerland;3. Diamond Light Source, Harwell Campus, Didcot, UK;4. Quantum‐Phase Electronics Center, Department of Applied Physics, University of Tokyo, Tokyo, Japan;5. RIKEN Center for Emergent Matter Science, Wako, Japan;6. SUPA School of Physics and Astronomy, University of St Andrews, St Andrews, UK |