Integrable discrete symmetric model

MJ Ablowitz, ZH Musslimani - Physical Review E, 2014 - APS
An exactly solvable discrete PT invariant nonlinear Schrödinger-like model is introduced. It
is an integrable Hamiltonian system that exhibits a nontrivial nonlinear PT symmetry. A …

[HTML][HTML] Integrable PT-symmetric local and nonlocal vector nonlinear Schrödinger equations: a unified two-parameter model

Z Yan - Applied Mathematics Letters, 2015 - Elsevier
We introduce a new unified two-parameter {(ϵ x, ϵ t)| ϵ x, t=±1} wave model (simply called
Q ϵ x, ϵ t (n) model), connecting integrable local and nonlocal vector nonlinear Schrödinger …

Two-dimensional accessible solitons in PT-symmetric potentials

WP Zhong, MR Belić, T Huang - Nonlinear Dynamics, 2012 - Springer
Two-dimensional parity-time (PT) symmetric potentials are introduced, which allow the
existence of spatial solitons in the model of the strongly nonlocal nonlinear Schrödinger …

[HTML][HTML] Nonstandard bilinearization and interaction phenomenon for PT-symmetric coupled nonlocal nonlinear Schrödinger equations

F Yu, R Fan - Applied Mathematics Letters, 2020 - Elsevier
We develop a nonstandard bilinearization procedure to generate more general bright
soliton, breather soliton and quasi-rogue wave solutions for the PT-symmetric coupled …

[HTML][HTML] Nonlocal general vector nonlinear Schrödinger equations: Integrability, PT symmetribility, and solutions

Z Yan - Applied Mathematics Letters, 2016 - Elsevier
A family of new one-parameter (ϵ x=±1) nonlinear wave models (called G ϵ x (nm) model) is
presented, including both the local (ϵ x= 1) and new integrable nonlocal (ϵ x=− 1) general …

Solitons in a nonlinear Schrödinger equation with -symmetric potentials and inhomogeneous nonlinearity: Stability and excitation of nonlinear modes

Z Yan, Z Wen, VV Konotop - Physical Review A, 2015 - APS
We report branches of explicit expressions for nonlinear modes in parity-time (PT)-symmetric
potentials of several types. For the single-well and double-well potentials the found solutions …

Stable localized spatial solitons in -symmetric potentials with power-law nonlinearity

YY Wang, CQ Dai, XG Wang - Nonlinear dynamics, 2014 - Springer
We derive analytical spatial soliton solutions of a (2+ 1)-dimensional nonlinear Schrödinger
equation with power-law nonlinearity in PT PT-symmetric potentials. The stability of these …

Solitons in -symmetric nonlinear lattices

FK Abdullaev, YV Kartashov, VV Konotop… - Physical Review A …, 2011 - APS
The existence of localized modes supported by the PT-symmetric nonlinear lattices is
reported. The system considered reveals unusual properties: unlike other typical dissipative …

Integrable nonlocal nonlinear Schrödinger equation

MJ Ablowitz, ZH Musslimani - Physical review letters, 2013 - APS
A new integrable nonlocal nonlinear Schrödinger equation is introduced. It possesses a Lax
pair and an infinite number of conservation laws and is PT symmetric. The inverse scattering …

Solitons in PT-symmetric potential with competing nonlinearity

A Khare, SM Al-Marzoug, H Bahlouli - Physics Letters A, 2012 - Elsevier
We investigate the effect of competing nonlinearities on beam dynamics in PT-symmetric
potentials. In particular, we consider the stationary nonlinear Schrödinger equation (NLSE) …