Antonopoulos, Chris G.; Skokos, Charalampos; Bountis, Tassos; Flach, Sergej
(Chaos, Solitons & Fractals, 2017-11-01)
Abstract 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 ...