Funding for this research was provided by:
H2020 European Research Council (694227, 694227)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (PCEFP2 181153)
Deutsche Forschungsgemeinschaft (Research Training Group 1838: Spectral Theory and Dynamics of Quantum Systems)
Article History
Received: 10 February 2020
Accepted: 30 January 2021
First Online: 26 February 2021