Since the Jost solutions of the DNLS equation does not tend to the free Jost solutioins as |λ|→∞, the usual inverse scattering transform (IST) must be revised. Beside the Kaup and Newell's approach, we propose...Since the Jost solutions of the DNLS equation does not tend to the free Jost solutioins as |λ|→∞, the usual inverse scattering transform (IST) must be revised. Beside the Kaup and Newell's approach, we propose a simple revision in constructing the equations of IST, where the usual Zakharov-Shabat kern is revised by multiplying λ^-2 or λ^-1. To justify the revision we show that the Jost solutions obtained do satisfy the pair of compatibility equations.展开更多
基金The project supported by National Natural Science Foundation of China under Grant Nos. 10534030 and 10375041
文摘Since the Jost solutions of the DNLS equation does not tend to the free Jost solutioins as |λ|→∞, the usual inverse scattering transform (IST) must be revised. Beside the Kaup and Newell's approach, we propose a simple revision in constructing the equations of IST, where the usual Zakharov-Shabat kern is revised by multiplying λ^-2 or λ^-1. To justify the revision we show that the Jost solutions obtained do satisfy the pair of compatibility equations.