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Discrete Nonlinear Schrodinger Equations Free of the Peierls-Nabarro Potential

Dmitriev, Sergey V; Kevrekidis, P G; Yoshikawa, N; Takeno, S; Sukhorukov, Andrey


We derive a class of discrete nonlinear Schrödinger (DNLS) equations for general polynomial nonlinearity whose stationary solutions can be found from a reduced two-point algebraic problem. It is demonstrated that the derived class of discretizations cont

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Physics Letters A
DOI: 10.1016/j.physleta.2006.03.056


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