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Phys Rev E Stat Nonlin Soft Matter Phys. 2008 May;77(5 Pt 2):055307. Epub 2008 May 29.

Highly nonlinear Bragg quasisolitons in the dynamics of water waves.

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1
Landau Institute for Theoretical Physics, 2 Kosygin Street, 119334 Moscow, Russia. ruban@itp.ac.ru

Abstract

Finite-amplitude gravity water waves in Bragg resonance with a periodic one-dimensional topography are studied numerically using exact equations of motion for ideal potential free-surface flows. Spontaneous formation of highly nonlinear localized structures is observed in the numerical experiments. These coherent structures consisting of several nearly standing extreme waves are similar in many aspects to the Bragg solitons previously known in nonlinear optics.

PMID:
18643128
DOI:
10.1103/PhysRevE.77.055307
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