Journal
PHYSICA B-CONDENSED MATTER
Volume 483, Issue -, Pages 26-36Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2015.12.020
Keywords
Extended nonlinear Schrodinger; N-solitons; Solitons collision
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We investigate the existence of N-solitons in an extended general nonlinear Schrodinger equation with third and fourth order dispersive terms that is most important for applications, such as the dynamics of a general class of anisotropic Heisenberg ferromagnetic spin chain with different magnetic interactions, the alpha helical proteins, and in media that offer interactions in biophysics. We have transformed the model to a homogeneous model that is utilized to show the existence of interactions of N-soliton solutions. We analyzed, and gave specific forms of these new class of N-solitons in a new simple form and discussed the interactions of these N-solitons. We have shown the existence of three types of head-on collisions, head-on collisions with or without over-taking or splitting into two solitons. (C) 2015 Elsevier B.V. All rights reserved.
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