Nonlinear coherent structures in granular crystals
C Chong, MA Porter, PG Kevrekidis… - Journal of Physics …, 2017 - iopscience.iop.org
The study of granular crystals, which are nonlinear metamaterials that consist of closely
packed arrays of particles that interact elastically, is a vibrant area of research that combines …
packed arrays of particles that interact elastically, is a vibrant area of research that combines …
Nonlinear caging in all-bands-flat lattices
We study the impact of classical short-range nonlinear interactions on transport in lattices
with no dispersion. The single-particle band structure of these lattices contains flat bands …
with no dispersion. The single-particle band structure of these lattices contains flat bands …
Wave packet spreading with disordered nonlinear discrete-time quantum walks
We use a novel unitary map toolbox—discrete-time quantum walks originally designed for
quantum computing—to implement ultrafast computer simulations of extremely slow …
quantum computing—to implement ultrafast computer simulations of extremely slow …
Characteristics of chaos evolution in one-dimensional disordered nonlinear lattices
We numerically investigate the characteristics of chaos evolution during wave-packet
spreading in two typical one-dimensional nonlinear disordered lattices: the Klein-Gordon …
spreading in two typical one-dimensional nonlinear disordered lattices: the Klein-Gordon …
Supratransmission in a disordered nonlinear periodic structure
B Yousefzadeh, AS Phani - Journal of Sound and Vibration, 2016 - Elsevier
We study the interaction among dispersion, nonlinearity, and disorder effects in the context
of wave transmission through a discrete periodic structure, subjected to continuous …
of wave transmission through a discrete periodic structure, subjected to continuous …
Superdiffusive transport and energy localization in disordered granular crystals
We study the spreading of initially localized excitations in one-dimensional disordered
granular crystals. We thereby investigate localization phenomena in strongly nonlinear …
granular crystals. We thereby investigate localization phenomena in strongly nonlinear …
Wave-packet spreading in the disordered and nonlinear Su-Schrieffer-Heeger chain
We numerically investigate the characteristics of the long-time dynamics of a single-site
wave-packet excitation in a disordered and nonlinear Su-Schrieffer-Heeger model. In the …
wave-packet excitation in a disordered and nonlinear Su-Schrieffer-Heeger model. In the …
Identifying localized and spreading chaos in nonlinear disordered lattices by the Generalized Alignment Index (GALI) method
B Senyange, C Skokos - Physica D: Nonlinear Phenomena, 2022 - Elsevier
Abstract Implementing the Generalized Alignment Index (GALI) method of chaos detection
we investigate the dynamical behavior of the nonlinear disordered Klein–Gordon lattice …
we investigate the dynamical behavior of the nonlinear disordered Klein–Gordon lattice …
Direct measurement of superdiffusive energy transport in disordered granular chains
Energy transport properties in heterogeneous materials have attracted scientific interest for
more than half of a century, and they continue to offer fundamental and rich questions. One …
more than half of a century, and they continue to offer fundamental and rich questions. One …
Energy transport in one-dimensional disordered granular solids
We investigate the energy transport in one-dimensional disordered granular solids by
extensive numerical simulations. In particular, we consider the case of a polydisperse …
extensive numerical simulations. In particular, we consider the case of a polydisperse …