Pereiro, Manuel
Yudin, Dmitry
Chico, Jonathan
Etz, Corina
Eriksson, Olle
Bergman, Anders
Article History
Received: 17 January 2014
Accepted: 25 July 2014
First Online: 8 September 2014
Change Date: 20 July 2015
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Change Date: 20 July 2015
Change Type: Erratum
Change Details: Nature Communications 5: Article number: 4815 (2014); Published 8 September 2014; Updated 20 July 2015. This Article contains an unintentional error for the excitation energies provided by the external magnetic field. The first excitation was carried out with an energy of 26.1 meV and the second excitation with an energy of 81.
Competing interests
: The authors declare no competing financial interests.