Imaginary eigenvalues of Zakharov-Shabat problems with non-zero background

DOI10.1016/j.physleta.2018.06.045zbMath1404.35402OpenAlexW2810695677MaRDI QIDQ1632729

Gino Biondini, Xu-Dan Luo

Publication date: 17 December 2018

Published in: Physics Letters. A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.physleta.2018.06.045

zbMATH Keywords

nonlinear Schrödinger equationdiscrete eigenvaluesinverse scatteringZakharov-Shabat scattering problem

Mathematics Subject Classification ID

NLS equations (nonlinear Schrödinger equations) (35Q55) Nonlinear spectral theory, nonlinear eigenvalue problems (47J10)

Related Items (3)

On the spectrum of the periodic focusing Zakharov-Shabat operator ⋮ The Riemann-Hilbert approach for the higher-order Gerdjikov-Ivanov equation, soliton interactions and position shift ⋮ Dynamics of soliton solutions of the nonlocal Kundu-nonlinear Schrödinger equation

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