Isomorphs in the phase diagram of a model liquid without inverse power law repulsion A.A. Veldhorst, L. Bøhling, J.C. Dyre and T.B. Schrøder Eur. Phys. J. B, 85 1 (2012) 21 Published online: 18 January 2012 DOI: 10.1140/epjb/e2011-20506-2