Field and reverse field solitons in wave-operator nonlinear Schrödinger equation with space-time reverse: Modulation instability

HI Abdel-Gawad - Communications in Theoretical Physics, 2023 - iopscience.iop.org
The wave-operator nonlinear Schrödinger equation was introduced in the literature. Further,
nonlocal space–time reverse complex field equations were also recently introduced. Studies …

A new conservative fourth-order accurate difference scheme for the nonlinear Schrödinger equation with wave operator

S Labidi, K Omrani - Applied Numerical Mathematics, 2022 - Elsevier
This paper is devoted to the study of high-order finite difference scheme for the nonlinear
Schrödinger equation with wave operator. The difference scheme is three level and a five …

Efficient energy preserving Galerkin–Legendre spectral methods for fractional nonlinear Schrödinger equation with wave operator

D Hu, W Cai, XM Gu, Y Wang - Applied Numerical Mathematics, 2022 - Elsevier
In this paper, three energy preserving numerical methods are proposed, including the Crank–
Nicolson Galerkin–Legendre spectral (CN–GLS) method, the SAV Galerkin–Legendre …

A linearized energy-conservative scheme for two-dimensional nonlinear Schrödinger equation with wave operator

Y Yang, H Li, X Guo - Applied Mathematics and Computation, 2021 - Elsevier
Based on the invariant energy quadratization approach, we propose a linear implicit and
local energy preserving scheme for the nonlinear Schrödinger equation with wave operator …

Two novel conservative exponential relaxation methods for the space-fractional nonlinear Schrödinger equation

Z Xu, Y Fu - Computers & Mathematics with Applications, 2023 - Elsevier
In this paper, two novel conservative relaxation methods are developed for the space-
fractional nonlinear Schrödinger equation. The first type of relaxation scheme adopts the …

A novel approach of unconditional optimal error estimate of linearized and conservative Galerkin FEM for Klein–Gordon–Schrödinger equations

H Yang, D Shi - Communications in Nonlinear Science and Numerical …, 2023 - Elsevier
This paper is devoted to the unconditional optimal error analysis of a linearized, decoupled
and conservative Galerkin finite element method (FEM) for the Klein–Gordon–Schödinger …

Mass-and energy-conserving Gauss collocation methods for the nonlinear Schrödinger equation with a wave operator

S Ma, J Wang, M Zhang, Z Zhang - Advances in Computational …, 2023 - Springer
A fully discrete finite element method with a Gauss collocation in time is proposed for solving
the nonlinear Schrödinger equation with a wave operator in the d-dimensional torus, d∈{1 …

High-order structure-preserving Du Fort–Frankel schemes and their analyses for the nonlinear Schrödinger equation with wave operator

D Deng, Z Li - Journal of Computational and Applied Mathematics, 2023 - Elsevier
Abstract Du Fort–Frankel-type finite difference methods (DFFT-FDMs) are famous for good
stability and easy implementation. In this study, by a perfect combination of the classical …

A reliable multi-resolution collocation algorithm for nonlinear Schrödinger equation with wave operator

W Lei, M Ahsan, M Ahmad, M Nisar… - Applied Mathematics in …, 2023 - Taylor & Francis
The solution of a nonlinear hyperbolic Schrödinger equation (NHSE) is proposed in this
paper using the Haar wavelet collocation technique (HWCM). The central difference …

Unconditional optimal error estimates and superconvergence analysis of energy-preserving FEM for general nonlinear Schrödinger equation with wave operator

D Shi, H Zhang - Computers & Mathematics with Applications, 2022 - Elsevier
This paper aims to consider the energy-preserving finite element method (FEM) for the
general nonlinear Schrödinger equation with wave operator. Optimal error estimates and …