Discrete breathers in polyethylene chain
A.V. Savin, L.I. Manevitch
TL;DR
This paper demonstrates the existence of discrete breathers in polyethylene chains, showing their localized oscillations, behavior at different temperatures, and their contribution to the chain's dynamics.
Contribution
It is the first to show discrete breathers in polyethylene chains and analyze their temperature-dependent behavior.
Findings
Discrete breathers exist in polyethylene chains.
Breathers involve localized bond oscillations.
Their contribution varies with temperature.
Abstract
The existence of discrete breathers (DBs), or intrinsic localized modes (localized periodic oscillations of transzigzag) is shown. In the localization region periodic contraction-extension of valence C-C bonds occurs which is accompanied by decrease-increase of valence angles. It is shown that the breathers present in thermalized chain and their contribution dependent on temperature has been revealed.
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