The resonant nonlinear Schrödinger equation in cold plasma physics. Application of Bäcklund–Darboux transformations and superposition principles

2006/07/05 by J.-H. LEE, Jungwon Lee, Oktay K. Pashaev +5 · 1 citation
Physics and Astronomy · #Nonlinear Waves and Solitons #Nonlinear Photonic Systems #Quantum Mechanics and Non-Hermitian Physics

paper · doi:10.1017/s0022377806004648

Abstract

Abstract. A system of nonlinear equations governing the transmission of uni-axial waves in a cold collisionless plasma subject to a transverse magnetic field is reduced to the recently proposed resonant nonlinear Schrödinger (RNLS) equation. This integrable variant of the standard nonlinear Schrödinger equation admits novel nonlinear superposition principles associated with Bäcklund–Darboux transformations. These are used here, in particular, to construct analytic descriptions of the interaction of solitonic magnetoacoustic waves propagating through the plasma.

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• Investigation of optical soliton solutions for the perturbed Gerdjikov-Ivanov equation with full-nonlinearity. [europepmc]

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