[HTML][HTML] Modulational instability in two-dimensional dissipative open Bose-Einstein condensates with mixed helicoidal and Rashba-Dresselhaus spin-orbit couplings

CB Tabi, P Otlaadisa, TC Kofané - Physics Letters A, 2023 - Elsevier
The letter proposes a modified set of coupled two-dimensional (2D) cubic complex Ginzburg-
Landau (CGL) equations that include Rashba and Dresselhaus as well as helicoidal spin …

Modulation instability in helicoidal spin-orbit coupled open Bose-Einstein condensates

P Otlaadisa, CB Tabi, TC Kofané - Physical Review E, 2021 - APS
We introduce a vector form of the cubic complex Ginzburg-Landau equation describing the
dynamics of dissipative solitons in the two-component helicoidal spin-orbit coupled open …

Phase engineering of chirped rogue waves in Bose–Einstein condensates with a variable scattering length in an expulsive potential

E Kengne, BA Malomed, WM Liu - Communications in Nonlinear Science …, 2021 - Elsevier
We consider a cubic Gross-Pitaevskii (GP) equation governing the dynamics of Bose-
Einstein condensates (BECs) with time-dependent coefficients in front of the cubic term and …

[HTML][HTML] Baseband modulational instability and dynamics of rogue waves in coherently coupled Bose–Einstein condensates

E Kengne - Physics Letters A, 2023 - Elsevier
We consider coupled dimensionless Gross-Pitaevskii (GP) equations that describes effective
coherently coupled Bose–Einstein condensates (BECs) trapped in external complex …

Modulational instability and sister chirped femtosecond modulated waves in a nonlinear Schrödinger equation with self-steepening and self-frequency shift

E Kengne, WM Liu - Communications in Nonlinear Science and Numerical …, 2022 - Elsevier
We investigate the modulational instability phenomenon and demonstrate that the
competing cubic–quintic nonlinearity induces propagating solitonlike bright (dark) solitons …

Non-autonomous solitons in inhomogeneous nonlinear media with distributed dispersion

E Kengne, A Lakhssassi, WM Liu - Nonlinear Dynamics, 2019 - Springer
We show that the methodology based on the powerful method of the so-called hidden
symmetry reductions (HSR) provides a systematic way to analytically derive non …

Dynamics of nonautonomous rogue waves in Bose–Einstein condensate

LC Zhao - Annals of Physics, 2013 - Elsevier
We study rogue waves of Bose–Einstein condensate (BEC) analytically in a time-dependent
harmonic trap with a complex potential. Properties of the nonautonomous rogue waves are …

[HTML][HTML] Chirped nonlinear waves in the cubic-quintic distributed nonlinear Schrödinger equation with external trap, self-steepening and self-frequency shift

E Kengne - Physics Letters A, 2023 - Elsevier
A cubic-quintic inhomogeneous nonautonomous nonlinear Schrödinger (NLS) equation with
an external trap, self-steepening, and self-frequency shift that models the transmission of …

Turing and Benjamin–Feir instability mechanisms in non-autonomous systems

RA Van Gorder - Proceedings of the Royal Society A, 2020 - royalsocietypublishing.org
The Turing and Benjamin–Feir instabilities are two of the primary instability mechanisms
useful for studying the transition from homogeneous states to heterogeneous spatial or …

Transmission of rogue wave signals through a modified Noguchi electrical transmission network

E Kengne, WM Liu - Physical Review E, 2019 - APS
A distributed electrical transmission network with dispersive elements that consists of a large
number of identical unit cells is considered. Using the reductive perturbation method in the …