Modulational instability of gap solitons in single-walled carbon nanotube lattices

Brantony Mozola, Conrad Bertrand Tabi, Timoléon Crépin Kofané

Research output: Contribution to journalArticle

Abstract

Modulational instability and nonlinear localized excitations are addressed, in the framework of a one-dimensional diatomic carbon nanotube (CNT) model, using the quasi-discrete approximation. Gap soliton solutions, based on the modulational instability criterion, are studied, where one considers the solutions arising in the upper and lower optical frequency cutoff regimes, and in the upper acoustic frequency cutoff mode. Solutions are found as breathers and double breathers, and their response to interatomic interaction parameters is discussed. Vibrations of the CNTs from the two modes are compared based on their capability of carrying the amount of energy required for specific purposes, either in Microelectronics or in Nano-devices.
Original languageEnglish
Pages (from-to)102511
JournalWave Motion
DOIs
Publication statusPublished - Jan 2020

Fingerprint

Modulational Instability
Single-walled Carbon Nanotubes
Breathers
Cutoff frequency
Single-walled carbon nanotubes (SWCN)
Solitons
cut-off
solitary waves
carbon nanotubes
acoustic frequencies
Discrete Approximation
Soliton Solution
Nanotubes
microelectronics
Microelectronics
Carbon nanotubes
Acoustics
Carbon
Vibration
Excitation

Cite this

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abstract = "Modulational instability and nonlinear localized excitations are addressed, in the framework of a one-dimensional diatomic carbon nanotube (CNT) model, using the quasi-discrete approximation. Gap soliton solutions, based on the modulational instability criterion, are studied, where one considers the solutions arising in the upper and lower optical frequency cutoff regimes, and in the upper acoustic frequency cutoff mode. Solutions are found as breathers and double breathers, and their response to interatomic interaction parameters is discussed. Vibrations of the CNTs from the two modes are compared based on their capability of carrying the amount of energy required for specific purposes, either in Microelectronics or in Nano-devices.",
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Modulational instability of gap solitons in single-walled carbon nanotube lattices. / Mozola, Brantony; Tabi, Conrad Bertrand; Kofané, Timoléon Crépin.

In: Wave Motion, 01.2020, p. 102511.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Mozola, Brantony

AU - Tabi, Conrad Bertrand

AU - Kofané, Timoléon Crépin

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AB - Modulational instability and nonlinear localized excitations are addressed, in the framework of a one-dimensional diatomic carbon nanotube (CNT) model, using the quasi-discrete approximation. Gap soliton solutions, based on the modulational instability criterion, are studied, where one considers the solutions arising in the upper and lower optical frequency cutoff regimes, and in the upper acoustic frequency cutoff mode. Solutions are found as breathers and double breathers, and their response to interatomic interaction parameters is discussed. Vibrations of the CNTs from the two modes are compared based on their capability of carrying the amount of energy required for specific purposes, either in Microelectronics or in Nano-devices.

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