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Extreme spectral asymmetry of Akhmediev breathers and Fermi-Pasta-Ulam recurrence in a Manakov system

Chen, S-C; Liu, Chong; Yao, X; Zhao, L-C; Akhmediev, Nail


The dynamics of Fermi-Pasta-Ulam (FPU) recurrence in a Manakov system is studied analytically. Exact Akhmediev breather (AB) solutions for this system are found that cannot be reduced to the ABs of a single-component nonlinear Schrödinger equation. Expansion-contraction cycle of the corresponding spectra with an infinite number of sidebands is calculated analytically using a residue theorem. A distinctive feature of these spectra is the asymmetry between positive and negative spectral modes. A...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: Physical Review E
DOI: 10.1103/PhysRevE.104.024215
Access Rights: Open Access


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