Metastable modular metastructures for on-demand reconfiguration of band structures and nonreciprocal wave propagation

Z Wu, Y Zheng, KW Wang - Physical Review E, 2018‏ - APS
We present an approach to achieve adaptable band structures and nonreciprocal wave
propagation by exploring and exploiting the concept of metastable modular metastructures …

Supratransmission in β-Fermi–Pasta–Ulam chains with different ranges of interactions

JE Macías-Díaz, A Bountis - Communications in Nonlinear Science and …, 2018‏ - Elsevier
We study the phenomenon of supratransmission (that is, the sudden transmission of energy
above a sharp threshold amplitude of periodic boundary excitations) on an N-particle one …

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 …

Supratransmission induced by waves collisions in a discrete electrical lattice

AB Togueu Motcheyo, C Tchawoua… - Physical Review E …, 2013‏ - APS
We numerically performed a way to produce a supratransmission phenomenon in the
Salerno equation describing the dynamics of modulated waves in a discrete nonlinear …

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 …

Energy transport in one-dimensional oscillator arrays with hysteretic dam**

T Bountis, K Kaloudis, J Shena, C Skokos… - The European Physical …, 2022‏ - Springer
Energy transport in one-dimensional oscillator arrays has been extensively studied to date
in the conservative case, as well as under weak viscous dam**. When driven at one end …

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 …