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Enhanced soliton transport in quasiperiodic lattices with introduced aperiodicity

Sukhorukov, Andrey


We study linear transmission and nonlinear soliton transport through quasiperiodic structures, where the lattice profiles are described by multiple modulation frequencies. We show that resonant scattering at mixed-frequency resonances limits transmission efficiency of localized wave packets, leading to radiation and possible trapping of solitons. We obtain an explicit analytical expression for optimal quasiperiodic lattice profiles, where additional aperiodic modulations suppress...[Show more]

CollectionsANU Research Publications
Date published: 2006-03-23
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.96.113902


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