Demonstration of Inverse Scattering Transform for DNLS Equation |
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Authors: | YANG Chun-Nuan YU Jia-Lu WANG Qu-Quan HUANG Nian-Ning |
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Affiliation: | Department of Physics, Wuhan University, Wuhan 430072, China |
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Abstract: | Since the Jost solutions of the DNLS equation does not tend to the free Jost solutioins as |λ|→∞, the usualinverse scattering transform (IST) must be revised. Beside the Kaupand Newell's approach, we propose a simple revision in constructingthe equations of IST, where the usual Zakharov-Shabat kern is revisedby multiplying λ-2 or λ-1. To justify the revision we show that the Jost solutions obtained do satisfy the pair of compatibility equations. |
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Keywords: | inverse scattering transform soliton solutions Liouville theorem |
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