1. Institut für Theoretische Physik, Universität Regensburg, 93040 Regensburg, Germany
2. Institute of Physics, Slovak Academy of Sciences, 84511 Bratislava, Slovakia
3. Center for Quantum Frontiers of Research and Technology (QFort), National Cheng Kung University, Tainan 70101, Taiwan
4. SPEC, CEA, CNRS, Université Paris-Saclay, 91191 Gif-sur-Yvette, France