About the Authors

Friedrich Lenz, Rainer Klages
School of Mathematical Sciences, Queen Mary University of London, London, United Kingdom

Aleksei V. Chechkin
Max-Planck Institute for Physics of Complex Systems, Dresden, Germany

Aleksei V. Chechkin
Institute for Theoretical Physics, NSC KIPT, ul. Akademicheskaya 1, Kharkov, Ukraine

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: FL. Wrote the paper: FL AVC RK.