Passage of a wave pulse through a zero-d
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S.R. Clarke; Julie Clutterbuck; R.H.J. Grimshaw; Boris A. Malomed
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Article
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1999
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Elsevier Science
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English
β 719 KB
We consider, numerically and analytically, a wave pulse passing a point where the dispersion coefficient changes its sign from focusing to defocusing. Simulations demonstrate that, in the focusing region, the pulse keeps a soliton-like shape until it is close to the zero-dispersion point, but then,