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VOLUME 69 (1999) | ISSUE 7 | PAGE 465
Hamiltonian averaging and integrability in nonlinear systems with periodically varying dispersion
PACS: 02.90.+p, 05.45.Yv, 42.65.Tg
Applying Hamiltonian averaging and quasi-identical-like transformation we demonstrate that the averaged dynamics of high-frequency nonlinear wave, in systems with .periodically varying dispersion can be described in a particular limit by the integrable nonlinear Schrodinger equation.