Modified scattering for the cubic Schrödinger equation on Diophantine waveguides

Abstract

We consider the cubic Schrödinger equation posed on a product space subject to a generic Diophantine condition. Our analysis shows that the small-amplitude solutions undergo modified scattering to an effective dynamics governed by interactions that induce no growth of high-order Sobolev norms. This is in sharp contrast with the infinite energy cascade scenario observed by Hani--Pausader--Tzvetkov--Visciglia in the absence of Diophantine conditions.

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Cited by in corpus (1)

• Long time stability for cubic nonlinear Schrödinger equations on non-rectangular flat tori