학술논문

Inverse scattering transform for the nonlocal Gerdjikov–Ivanov equation with simple and double poles
Document Type
Original Paper
Source
Nonlinear Dynamics: An International Journal of Nonlinear Dynamics and Chaos in Engineering Systems. 112(8):6517-6533
Subject
Nonlocal Gerdjikov–Ivanov equation
Non-vanishing boundary conditions
Inverse scattering transform
Riemann–Hilbert problem
35C08
37K40
35Q15
Language
English
ISSN
0924-090X
1573-269X
Abstract
We systematically investigate the nonlocal Gerdjikov-Ivanov (nGI) equation with non-vanishing boundary conditions by means of the inverse scattering transform method. We define eigenfunctions and scattering matrix, then analyze their analytical, symmetric and asymptotic properties. With the help of the inverse scattering transform, an appropriate Riemann-Hilbert problem is constructed. The nGI equation displays drastically different symmetry properties compared to its local counterpart, which leads to a disparate discrete spectral distribution. We then deduce the general expressions of N-simple and N-double poles solitons of the nGI equation under the reflectionless potential. What’s more, novel dynamical behaviors of these solutions are not only exhibited graphically with 3D and projection profiles, wave propagation with the x-axis, but also analyzed detailedly. These solutions play a crucial role in revealing the abundant dynamics of solitons and advancing our comprehension of nonlocal nonlinear phenomena.