Antonopoulos, Chris G.; Skokos, Charalampos; Bountis, Tassos; Flach, Sergej
(arXiv, 2018-03-19)
In the study of subdiffusive wave-packet spreading in disordered Klein-
Gordon (KG) nonlinear lattices, a central open question is whether the
motion continues to be chaotic despite decreasing densities, or tends to
become ...