A compact split-step finite difference method for solving the nonlinear Schrödinger equations with constant and variable coefficients
作者： Mehdi Dehghan , Ameneh Taleei
DOI: 10.1016/J.CPC.2009.08.015
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摘要: Abstract We propose a compact split-step finite difference method to solve the nonlinear Schrodinger equations with constant and variable coefficients. This improves accuracy of by introducing scheme for discretization space while this improvement does not reduce stability range increase computational cost. also preserves some conservation laws. Numerical tests are presented confirm theoretical results new numerical using cubic equation coefficients Gross–Pitaevskii equation.
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