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cond-mat.dis-nn2026
Crossovers from nonlinear wave-packet acceleration to wave-mixing and self-trapping in the Hatano-Nelson model
Bertin Many Manda, Vassos Achilleos
We demonstrate that wave amplification enables even weak nonlinearities to reshape linear wave-packet transport in nonreciprocal systems. We study the dynamics of bulk Gaussian wav…
cond-mat.dis-nn2019★ 26 cited
Chaotic wave packet spreading in two-dimensional disordered nonlinear lattices
Bertin Many Manda, Bob Senyange, Charalampos Skokos
We reveal the generic characteristics of wave packet delocalization in two-dimensional nonlinear disordered lattices by performing extensive numerical simulations in two basic diso…