Minimal chimera states in phase-lag coupled mechanical oscillators P. Ebrahimzadeh, M. Schiek, P. Jaros, T. Kapitaniak, S. van Waasen and Y. Maistrenko Eur. Phys. J. Special Topics, 229 12-13 (2020) 2205-2214 Published online: 28 September 2020 DOI: 10.1140/epjst/e2020-900270-4