One-dimensional gap solitons in quintic and cubic–quintic fractional nonlinear Schrödinger equations with a periodically modulated linear potential

L Zeng, J Zeng - Nonlinear Dynamics, 2019 - Springer
Competing nonlinearities, such as the cubic (Kerr) and quintic nonlinear terms whose
strengths are of opposite signs (the coefficients in front of the nonlinearities), exist in various …

Spatial solitons in double-well potentials

C Huang - Annals of Physics, 2024 - Elsevier
The existence, stability and propagation of spatial solitons in double-well potentials with
cubic nonlinearity are investigated. The symmetric, tripole and quadrupole solitons show …

Hamiltonian form of extended cubic-quintic nonlinear Schrödinger equation in a nonlinear Klein-Gordon model

YV Sedletsky, IS Gandzha - Physical Review E, 2022 - APS
We derive an extended cubic-quintic nonlinear Schrödinger equation with Hamiltonian
structure in a nonlinear Klein-Gordon model with cubic-quintic nonlinearity. We use the …

Stable NLS solitons in a cubic–quintic medium with a delta-function potential

F Genoud, BA Malomed, RM Weishäupl - Nonlinear Analysis, 2016 - Elsevier
We study the one-dimensional nonlinear Schrödinger equation with the cubic–quintic
combination of attractive and repulsive nonlinearities, and a trap** potential represented …

Hyper-entangling mesoscopic bound states

A Sreedharan, S Kuriyattil, S Wüster - New Journal of Physics, 2023 - iopscience.iop.org
We predict hyper-entanglement generation by binary scattering of mesoscopic bound states,
considering solitary waves in Bose–Einstein condensates containing thousands of identical …

Two-dimensional solitons in PT-symmetric optical media with competing nonlinearity

İ Göksel, N Antar, İ Bakırtaş - Optik, 2018 - Elsevier
We investigate the existence and stability of two dimensional nonlinear localized modes in
parity-time symmetric optical media with self-focusing/self-defocusing cubic and quintic …

Diversity of solitons in a generalized nonlinear Schrödinger equation with self-steepening and higher-order dispersive and nonlinear terms

J Fujioka, A Espinosa - Chaos: An Interdisciplinary Journal of …, 2015 - pubs.aip.org
In this article, we show that if the nonlinear Schrödinger (NLS) equation is generalized by
simultaneously taking into account higher-order dispersion, a quintic nonlinearity, and self …

[HTML][HTML] Solitons supported by competing nonlinearity, higher order dispersion and PT-symmetric potential

N Saha, B Roy - Physics Letters A, 2020 - Elsevier
The existence and stability properties of optical solitons in competing cubic-quintic
nonlinearity, third order dispersion and parity-time symmetric potentials are investigated …

Families of solitons under nonlocal and PT symmetric competing nonlinearity

Y Weng, H Wang, P Chen, G Tang - Optics Communications, 2021 - Elsevier
In this paper, we discover several new soliton families in the PT symmetric optical lattices
with the nonlocal competing cubic–quintic nonlinearity, and investigate their existence and …

Families of fundamental and vortex solitons under competing cubic-quintic nonlinearity with complex potentials

Y Weng, H Wang, J Huang - Communications in Nonlinear Science and …, 2018 - Elsevier
We investigate the properties of two-dimensional (2D) fundamental and vortex solitons
propagating in PT symmetric lattices with the competing cubic-quintic nonlinearity. We …