Koukouloyannis, V.; Kevrekidis, P. G.; Law, K. J. H.; Kourakis, I.; Frantzeskakis, D. J.
(2010)
We study the existence and stability of multisite discrete breathers in two prototypical non-square Klein–Gordon lattices, namely a honeycomb and a hexagonal one. In the honeycomb case we consider six-site configurations ...