Title

Three-Dimensional Nonlinear Schrodinger Equation For Finite-Amplitude Gravity Waves In A Fluid

Comments

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Abbreviated Journal Title

Nouvo Cimento Soc. Ital. Fis. B-Gen. Phys. Relativ. Astron. Math. Phys. Methods

Keywords

Physics; Multidisciplinary

Abstract

The averaged Lagrangian method is used to derive a new nonlinear Schrödinger equation in order to describe the evolution of three-dimensional modulations superposed on finite-amplitude gravity waves in a fluid. An interesting feature of this equation is that the wave energy initially confined to a narrow band of wave numbers continues to be confined to a limited region in the wave number space. Unlike the three-dimensional nonlinear evolution equation available in the literature, the equation obtained in this paper may, therefore, be adequate for the description of the evolution of the three-dimensional modulations.

Journal Title

Nuovo Cimento Della Societa Italiana Di Fisica B-General Physics Relativity Astronomy and Mathematical Physics and Methods

Volume

94

Issue/Number

2

Publication Date

1-1-1986

Document Type

Article

Language

English

First Page

140

Last Page

148

WOS Identifier

WOS:A1986E3168000034

ISSN

0369-3554

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