On Davydov's alpha-helix solitons

J. M. Hyman; D. W. McLaughlin; A. C. Scott

doi:10.1016/0167-2789(81)90117-2

On Davydov's alpha-helix solitons

J. M. Hyman, D. W. McLaughlin, A. C. Scott

Research output: Contribution to journal › Article › peer-review

Abstract

Numerical studies of Davydov's nonlinear dynamic model for the α-helix protein confirm his prediction of soliton formation. These solitons are robust localized dynamic entities that couple molecular (amide-I) vibrations to longitudinal sound waves; they may provide an efficient mechanism for energy transport in biological systems. Both the numerical studies and analytical computations show a threshold level of non-linearity below which solitons will not form. A rough estimate indicates this nonlinearity has the required order of magnitude.

Original language	English (US)
Pages (from-to)	23-44
Number of pages	22
Journal	Physica D: Nonlinear Phenomena
Volume	3
Issue number	1-2
DOIs	https://doi.org/10.1016/0167-2789(81)90117-2
State	Published - Jul 1981

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Mathematical Physics
Condensed Matter Physics
Applied Mathematics

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title = "On Davydov's alpha-helix solitons",

abstract = "Numerical studies of Davydov's nonlinear dynamic model for the α-helix protein confirm his prediction of soliton formation. These solitons are robust localized dynamic entities that couple molecular (amide-I) vibrations to longitudinal sound waves; they may provide an efficient mechanism for energy transport in biological systems. Both the numerical studies and analytical computations show a threshold level of non-linearity below which solitons will not form. A rough estimate indicates this nonlinearity has the required order of magnitude.",

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AB - Numerical studies of Davydov's nonlinear dynamic model for the α-helix protein confirm his prediction of soliton formation. These solitons are robust localized dynamic entities that couple molecular (amide-I) vibrations to longitudinal sound waves; they may provide an efficient mechanism for energy transport in biological systems. Both the numerical studies and analytical computations show a threshold level of non-linearity below which solitons will not form. A rough estimate indicates this nonlinearity has the required order of magnitude.

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On Davydov's alpha-helix solitons

Abstract

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