Journal
NONLINEAR DYNAMICS
Volume 111, Issue 17, Pages 16367-16376Publisher
SPRINGER
DOI: 10.1007/s11071-023-08676-4
Keywords
Nonlocal reverse-time NLS equation; Riemann-Hilbert (RH) method; Soliton solutions
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In this paper, a novel general nonlocal reversed-time nonlinear Schrodinger equation is proposed from a general coupled NLS system by imposing a nonlocal reversed-time constraint. The equation describes the nonlinear wave propagations where the components of the coupled NLS system are related by the nonlocal reversed-time constraint. Soliton solutions are obtained using the Riemann-Hilbert method, and the soliton dynamical behaviors are explored and illustrated.
In this paper, a novel general nonlocal reverse-time nonlinear Schrodinger (NLS) equation involving two real parameters is proposed from a general coupled NLS system by imposing a nonlocal reverse-time constraint. In this sense, the proposed nonlocal equation can govern the nonlinear wave propagations in such physical situations where the two components of the general coupled NLS system are related by the nonlocal reverse-time constraint. Moreover, the proposed nonlocal equation can reduce to a physically significant nonlocal reverse-time NLS equation in the literature. Based on the Riemann-Hilbert (RH) method, we also explore the complicated symmetry relations of the scattering data underlying the proposed nonlocal equation induced by the nonlocal reverse-time constraint, from which three types of soliton solutions are successfully obtained. Furthermore, some specific soliton dynamical behaviors underlying the obtained solutions are theoretically explored and graphically illustrated.
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