Advances in nonlinear acoustic/elastic metamaterials and metastructures

X Fang, W Lacarbonara, L Cheng - Nonlinear Dynamics, 2024 - Springer
Acoustic/elastic metamaterials exhibit a wealth of unusual properties conducive to wave
manipulation. This review outlines state-of-the-art developments from FPUT chains, granular …

Modulational instability and soliton trains in optical fiber media with real and imaginary Raman gains

NO Nfor, D Ndjanfang, JR Bogning - Optik, 2023 - Elsevier
We consider a higher-order nonlinear Schrödinger amplitude equation with real and
imaginary Raman gain terms. This equation is shown to govern the propagation of …

Higher order investigation on modulated waves in the Peyrard–Bishop–Dauxois DNA model

A Djine, NO Nfor, GR Deffo, SB Yamgoué - Chaos, Solitons & Fractals, 2024 - Elsevier
Despite the widespread use of transcendental functions in the modeling of the dynamics of
DNA, most research efforts are limited in their analytical studies of this enthralling system to …

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 …

Localized nonlinear waves in a myelinated nerve fiber with self-excitable membrane

NO Nfor, PG Ghomsi, FMM Kakmeni - Chinese Physics B, 2023 - iopscience.iop.org
We systematically study the evolution of modulated nerve impulses in a myelinated nerve
fiber, where both the ionic current and membrane capacitance provide the necessary …

Evolution of modulated seismic waves under the external influence of magma up flow

NO Nfor, KG Pascal - The European Physical Journal Plus, 2023 - Springer
During the occurrence of an earthquake, seismic waves usually carry huge amount of
energy through rock materials of the earth crust. By using the method of multiple scale …

On dynamics of elliptic solitons in lossy optical fibers

NO Nfor, ME Jaja - Journal of Optics, 2022 - iopscience.iop.org
By exploiting the theory of electromagnetic waves from Maxwell's equations, the damped
nonlinear Schrödinger (DNLS) equation is shown to govern the evolution of nonlinear …

Elucidating the FPU-paradox based on the dynamics of Kuznetzov–Ma breathers

NO Nfor, D Ndjanfang - Modern Physics Letters B, 2024 - World Scientific
Unlike Zabusky and Kruskal who exploited the Korteweg–de Vries traveling solitons to
explain the FPU-recurrence phenomenon, we consider a more robust time periodic …

Modulational instability and discrete localized modes in two coupled atomic chains with next-nearest-neighbor interactions

NO Nfor, SB Yamgoué - Journal of Nonlinear Mathematical Physics, 2023 - Springer
A pair of one dimensional atomic chains which are coupled via the Klein-Gordon potential is
considered in this study, with each chain experiencing both nearest and next-nearest …

Impact of helicoidal interactions and weak damping on the breathing modes of Joyeux-Buyukdagli model of DNA

NO Nfor, D Arnaud, SB Yamgoué - Indian Journal of Physics, 2023 - Springer
The damped nonlinear Schr o¨ dinger equation is derived from the helicoidal Joyeux and
Buyukdagli model of DNA, in which the particles of the surrounding solvent medium induces …