About the Authors

Matthias Rybarsch

Affiliation Institut für Theoretische Physik, Universität Bremen, Bremen, Germany

Stefan Bornholdt

bornholdt@itp.uni-bremen.de

Affiliation Institut für Theoretische Physik, Universität Bremen, Bremen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SB. Performed the experiments: MR. Analyzed the data: MR. Wrote the paper: SB MR.