Abstract:
Nonlocal reverse space–time equations of the nonlinear Schrödinger (NLS) type were recently introduced. They were shown to be integrable infinite-dimensional dynamical systems, and the inverse scattering transform (IST) for rapidly decaying initial conditions was constructed. Here, we present the IST for the reverse space–time NLS equation with nonzero boundary conditions (NZBCs) at infinity. The NZBC problem is more complicated because the branching structure of the associated linear eigenfunctions is complicated. We analyze two cases, which correspond to two different values of the phase at infinity. We discuss special soliton solutions and find explicit one-soliton and two-soliton solutions. We also consider spatially dependent boundary conditions.
The research of M. J. Ablowitz was supported in part
by the National Science Foundation (Grant No. DMS-1310200).
The research of Bao-Feng Feng was supported in part
by the National Science Foundation (Grant No. DMS-1715991) and NSFC for
Overseas Scholar Collaboration Research (No. 11728103).
This publication is cited in the following 56 articles:
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