Nonlinear Localized Excitations and the Dynamics of H-Bonds in DNA

Details Nonlinear Localized Excitations and the Dynamics of H-Bonds in DNA Nonlinear Localized Excitations and the Dynamics of H-Bonds in DNA

1994-07-27

arxiv.org/abs/cond-mat/9407107v1

Physics

Condensed Matter

Talk presented at workshop NONLINEAR EXCITATIONS IN BIOMOLECULES Les Houches 1994, to appear in Springer/Editions de Physique;

Scientific paper

We analyze typical models which intend to describe (parts of) the dynamics of H-Bonds in DNA. We show that these models generically allow for nonlinear localized excitatons (NLEs) (discrete breathers). We especially study the scattering of phonons by NLEs and observe strong reflection of phonons by the NLE. We relate our results to the problem of functioning of a complex biomolecule, e.g. the DNA.

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