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publication name Mathematical examination for the energy flow in an inhomogeneous Heisenberg ferromagnetic chain
Authors Mohamed R. Ali; Mahmoud A. Khattab; Samah M. Mabrouk
year 2022
keywords inverse scattering transformation; solitons; Heisenberg ferromagnetic chain
journal Optik - International Journal for Light and Electron Optics
volume 271
issue Not Available
pages 170138
publisher Urban & Fischer
Local/International International
Paper Link 10.1016/j.ijleo.2022.170138
Full paper download
Supplementary materials Not Available
Abstract

The dynamics of energy transfer through alpha-helical proteins or an inhomogeneous Heisenberg ferromagnetic spin chain can be described by a (2+1) dimensional variable-coefficient nonlinear Schrödinger equation (NLS). In this paper, we derived Lax pair based on AKNS scheme then we apply the inverse scattering transform (IST) method to explore one-soliton solution and some other novel soliton solutions. Propagation and properties of the solitons are discussed: solitary wave, parabolic and cubic solitons are presented. The obtained one-soliton solution is graphically represented with three dimensions plots and compared with the previous solutions in other contributions.

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