Abstract
The author considers Darboux transformation of three nonlocal NLS equations and proper reduction conditions for the eigenfunctions. The formulae of n-fold solutions are represented by the ratio of determinants. According to the formulae, the author obtains explicit expressions of one- and twofold solutions of these nonlocal NLS equations, which are singular and have interesting structures. These types of solutions are new for these nonlocal NLS equations.
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Lin, B. Singular solutions of the nonlocal nonlinear Schrödinger equation. Eur. Phys. J. Plus 137, 1151 (2022). https://doi.org/10.1140/epjp/s13360-022-03327-w
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DOI: https://doi.org/10.1140/epjp/s13360-022-03327-w