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Uspekhi Fizicheskikh Nauk, 1999, Volume 169, Number 3, Pages 255–270
DOI: https://doi.org/10.3367/UFNr.0169.199903b.0255
(Mi ufn1576)
 

This article is cited in 26 scientific papers (total in 26 papers)

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Nonlinear dynamics of zigzag molecular chains

A. V. Savina, L. I. Manevichb, P. L. Christiansenc, A. V. Zolotaryukd

a Institute for Physico-Technical Problems, Moscow
b N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow
c Derartment of Mathematical Modelling, Technical University of Denmark, Lyngby
d N. N. Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine
References:
Abstract: Nonlinear, collective, soliton type excitations in zigzag molecular chains are analyzed. It is shown that the non-linear dynamics of a chain dramatically changes in passing from the one-dimensional linear chain to the more realistic planar zigzag model — due, in particular, to the geometry-dependent anharmonism that comes into the picture. The existence or otherwise of solitons is determined in this case by the interplay between the geometrical anharmonism and the physical anharmonism of the interstitial interaction, of opposite signs. The nonlinear dynamic analysis of the three most typical zigzag models (two-dimensional alpha-spiral, polyethylene transzigzag backbone, and the zigzag chain of hydrogen bonds) shows that the zigzag structure essentially limits the soliton dynamics to finite, relatively narrow, supersonic soliton velocity intervals and may also result in that several acoustic soliton types (such as extension and compression varieties) develop simultaneously in the chain. Accordingly, the inclusion of chain geometry is necessary if physical phenomena are to be described in terms of solitary waves.
Received: June 4, 1998
English version:
Physics–Uspekhi, 1999, Volume 42, Issue 3, Pages 245–260
DOI: https://doi.org/10.1070/PU1999v042n03ABEH000539
Bibliographic databases:
Document Type: Article
PACS: 02.40.-k, 36.20.-r, 43.25.Rq, 87.15.He
Language: Russian


Citation: A. V. Savin, L. I. Manevich, P. L. Christiansen, A. V. Zolotaryuk, “Nonlinear dynamics of zigzag molecular chains”, UFN, 169:3 (1999), 255–270; Phys. Usp., 42:3 (1999), 245–260
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  • This publication is cited in the following 26 articles:
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