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Stability criterion for multicomponent solitary waves

Pelinovsky, D; Kivshar, Yuri


We obtain the most general matrix criterion for stability and instability of multicomponent solitary waves by considering a system of N incoherently coupled nonlinear Schrodinger equations. Soliton stability is studied as a constrained variational problem which is reduced to finite-dimensional linear algebra. We prove that unstable (all real and positive) eigenvalues of the linear stability problem for multicomponent solitary waves are connected with negative eigenvalues of the Hessian matrix....[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Physical Review E


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