[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 …

Nonlocal cubic and quintic nonlinear wave patterns in pure-quartic media

CGL Tiofack, CB Tabi, H Tagwo, TC Kofané - Journal of Optics, 2023 - iopscience.iop.org
In this work, pure-quartic soliton (PQS) formation is investigated in the framework of a
nonlinear Schrödinger equation with competing Kerr (cubic) and non-Kerr (quintic) nonlocal …

Generation of dissipative solitons in a doped optical fiber modeled by the higher-order dispersive cubic-quintic-septic complex Ginzburg-Landau equation

D Zanga, SI Fewo, CB Tabi, TC Kofané - Physical Review A, 2022 - APS
The generation of dissipative optical solitons is explored in doped fibers with correction
effects under the activation of modulational instability (MI). The model, described by the …

[HTML][HTML] Modulation instability of two-dimensional Bose-Einstein condensates with helicoidal and a mixture of Rashba-Dresselhaus spin-orbit couplings

CB Tabi, P Otlaadisa, TC Kofané - Physics Letters A, 2022 - Elsevier
The modulational instability (MI) process is exclusively studied in a two-component Bose-
Einstein condensate (BEC) which includes Rashba-Dresselhaus (RD) spin-orbit (SO) and …

Problem with the single-particle description and the spectra of intrinsic modes of degenerate boson-fermion systems

PA Andreev, LS Kuzmenkov - Physical Review A—Atomic, Molecular, and …, 2008 - APS
The problem with the construction of the Gross-Pitaevskii (GP) equation and related wave
functions in a medium is associated with the necessity to begin with a description of the …

Unstable cardiac multi-spiral waves in a FitzHugh–Nagumo soliton model under magnetic flow effect

CB Tabi, AS Etémé, TC Kofané - Nonlinear Dynamics, 2020 - Springer
This work deals with the stimulation of cardiac spiral waves in a two-dimensional FitzHugh–
Nagumo model through modulational instability phenomenon in the presence of intracellular …

Modulational instability in weak nonlocal nonlinear media with competing Kerr and non-Kerr nonlinearities

D Zanga, SI Fewo, CB Tabi, TC Kofané - Communications in Nonlinear …, 2020 - Elsevier
We investigate, theoretically and numerically, the modulational instability of plane waves in
weakly cubic-quintic nonlocal nonlinear media. Theoretically, the Lenz transformation and …

Generation of matter-wave solitons of the Gross-Pitaevskii equation with a time-dependent complicated potential

A Mohamadou, E Wamba, SY Doka, TB Ekogo… - Physical Review A …, 2011 - APS
We examine the generation of bright matter-wave solitons in the Gross-Pitaevskii equation
describing Bose-Einstein condensates with a time-dependent complex potential, which is …

Electronegative nonlinear oscillating modes in plasmas

CS Panguetna, CB Tabi, TC Kofané - Communications in Nonlinear …, 2018 - Elsevier
The emergence of nonlinear modulated waves is addressed in an unmagnetized
electronegative plasma made of Boltzmann electrons, Boltzmann negative ions and cold …

Wave train generation of solitons in systems with higher-order nonlinearities

A Mohamadou, CG LatchioTiofack, TC Kofané - Physical Review E—Statistical …, 2010 - APS
Considering the higher-order nonlinearities in a material can significantly change its
behavior. We suggest the extended nonlinear Schrödinger equation to describe the …