Legg, Henry F. http://orcid.org/0000-0003-0400-5370
Braunecker, Bernd
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (CRC1238)
Bonn-Cologne Graduate School of Physics and Astronomy
Article History
Received: 23 May 2019
Accepted: 30 October 2019
First Online: 27 November 2019
Competing interests
: The authors declare no competing interests.