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Influence of high-order dispersion on self-focusing. II. Numerical investigation |
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| Authors: | V I Karpman A G Shagalov |
| Institution: | a Department of Physics and Astronomy, University of Iowa, Iowa City, IA 52242, USA b IZMIRAN, Troitsk, Moscow Region 142092, USSR c Institute of Metal Physics, Sverdlovsk 620219, USSR |
| Abstract: | The self-focusing described by the nonlinear Schrödinger equation with a higher-order derivative term is investigated numerically. We demonstrate that, depending on the sign before this term, it may lead in the final stage either to defocusing or to a steady homogeneous wave beam. In both cases the transition to the final state is shown to be oscillatory. |
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