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A multisymplectic integrator for the periodic nonlinear Schrödinger equation |
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| Authors: | Jing-Bo Chen |
| Institution: | Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, PR China |
| Abstract: | A multisymplectic integrator for the periodic nonlinear Schrödinger equation is presented in this paper. Its accuracy is proved. By introducing a norm, we investigate its nonlinear stability. We also discuss the relationship between this multisymplectic integrator and two variational integrators which are derived by using the discrete multisymplectic field theory and the finite element method. |
| Keywords: | Multisymplectic integrator Nonlinear Schrödinger equation |
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