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Spatiotemporal discrete multicolor solitons

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arxiv nlin/0410053 v1 pith:QBHFMHE2 submitted 2004-10-24 nlin.PS

Spatiotemporal discrete multicolor solitons

Zhiyong Xu , Yaroslav V. Kartashov , Lucian-Cornel Crasovan , Dumitru Mihalache , Lluis Torner This is my paper
classification nlin.PS
keywords solitonsevenfamiliessolutionsspatiotemporalstabilitytwistedarrays
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We have found various families of two-dimensional spatiotemporal solitons in quadratically nonlinear waveguide arrays. The families of unstaggered odd, even and twisted stationary solutions are thoroughly characterized and their stability against perturbations is investigated. We show that the twisted and even solutions display instability, while most of the odd solitons show remarkable stability upon evolution.

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