Journal
OPTIK
Volume 127, Issue 4, Pages 1581-1589Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2015.11.027
Keywords
The two variable (G '/G 1/G)-expansion method; Schrodinger equations; Exact traveling wave solutions; Solitary wave solutions
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The propagation of the optical solitons is usually governed by the nonlinear Schrodinger equations. In this article, the two variable (G'/G, 1/G)-expansion method is employed to construct exact traveling wave solutions with parameters of two higher order nonlinear Schrodinger equations. When the parameters are replaced by special values, the well-known solitary wave solutions of these equations rediscovered from the traveling waves. This method can be thought of as the generalization of well-known original (G'/G) expansion method proposed by Wang et al. It is shown that the two variable (G'/G, 1/G)-expansion method provides a more powerful mathematical tool for solving many other nonlinear PDEs in mathematical physics. (C) 2015 Elsevier GmbH. All rights reserved.
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