Nonlinear response from the perspective of energy landscapes and beyond Andreas Heuer, Carsten F.E. Schroer, Diddo Diddens, Christian Rehwald and Markus Blank-Burian Eur. Phys. J. Special Topics, 226 14 (2017) 3061-3078 Published online: 10 August 2017 DOI: 10.1140/epjst/e2017-70080-x