Supratransmission phenomenon in a Fermi-Pasta-Ulam diatomic lattice

C Simadji Ngamou, FT Ndjomatchoua… - Physical Review E, 2023‏ - APS
The nonlinear supratransmission phenomenon in a Fermi-Pasta-Ulam (FPU) diatomic lattice
with two forbidden bands is investigated. Using a decoupling ansatz for the motion of the two …

[PDF][PDF] The effect of nonlinear supratransmission in discrete structures: A review

PV Zakharov - Comput. Res. Model, 2023‏ - vst.ics.org.ru
The effect of nonlinear supratransmission is an important property of many discrete
structures. A necessary condition for its existence is the discreteness and nonlinearity of the …

Supratransmission in transversely connected nonlinear pendulum pairs

AK Kuitche, ABT Motcheyo, T Kanaa… - Chaos, Solitons & …, 2022‏ - Elsevier
In this work, we generate a nonlinear supratransmission phenomenon in a chain of coupled
pendulum pairs, where each pendulum is connected to the nearest neighbours in the …

Nonlinear bandgap transmission with zero frequency in a cross-stitch lattice

ABT Motcheyo, JE Macías-Díaz - Chaos, Solitons & Fractals, 2023‏ - Elsevier
We consider a model for a cross-stitch lattice with onsite nonlinearity. The linear analysis
and the determination of the homoclinic threshold for this model are carried out theoretically …

Supratransmission in discrete one-dimensional lattices with the cubic–quintic nonlinearity

AB Togueu Motcheyo, M Kimura, Y Doi… - Nonlinear …, 2019‏ - Springer
We numerically analyzed the supratransmission phenomenon in the discrete nonlinear
Schrödinger equation with the cubic–quintic nonlinearity. It has been reported that the …

Periodic driving shape controls energy transmission

C Simadji Ngamou, FT Ndjomatchoua, C Tchawoua - Physical Review E, 2024‏ - APS
In the early 2000s, Geniet and Leon [Phys. Rev. Lett. 89, 134102 (2002) 0031-9007
10.1103/PhysRevLett. 89.134102] discovered the nonlinear supratransmission (NST) in a …

Homoclinic nonlinear band gap transmission threshold in discrete optical waveguide arrays

ABT Motcheyo, JDT Tchameu, MS Siewe… - … in Nonlinear Science …, 2017‏ - Elsevier
We show for the first time that supratransmission threshold can be found in discrete
nonlinear Schrödinger equation modelling the optical waveguide arrays with Kerr …

Wave propagation with longitudinal dust grain oscillations in dusty plasma crystals

E Nkendji Kenkeu, AB Togueu Motcheyo, T Kanaa… - Physics of …, 2022‏ - pubs.aip.org
Traveling waves are studied with a longitudinal dust grain oscillation in dusty plasma
crystals modeled by α, β-Fermi Pasta Ulam Tsingou equation. Within the phonon band of the …

Influence of a nonlinear coupling on the supratransmission effect in modified sine-Gordon and Klein–Gordon lattices

R Alima, S Morfu, P Marquié, B Bodo… - Chaos, Solitons & …, 2017‏ - Elsevier
In this paper, we analyze the conditions leading to the nonlinear supratransmission
phenomenon in two different models: a modified fifth order Klein–Gordon system and a …

[HTML][HTML] Nonlinear bandgap transmission by discrete rogue waves induced in a pendulum chain

ABT Motcheyo, M Kimura, Y Doi, JFR Archilla - Physics Letters A, 2024‏ - Elsevier
We study numerically a discrete, nonlinear lattice, which is formed by a chain of pendula
submitted to a harmonic-driving source with constant amplitude and parametrical excitation …