Identifying localized and spreading chaos in nonlinear disordered lattices by the Generalized Alignment Index (GALI) method
Bob Senyange,
Charalampos Skokos
Abstract:Implementing the Generalized Alignment Index (GALI) method of chaos detection we investigate the dynamical behavior of the nonlinear disordered Klein-Gordon lattice chain in one spatial dimension. By performing extensive numerical simulations of single site and single mode initial excitations, for several disordered realizations and different disorder strengths, we determine the probability to observe chaotic behavior as the system is approaching its linear limit, i.e. when its total energy, which plays the ro… Show more
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