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Interplay of nonlinearity and geometry in a DNA-related, Klein-Gordon model with long-range dipole-dipole interaction

Opened Access Interplay of nonlinearity and geometry in a DNA-related, Klein-Gordon model with long-range dipole-dipole interaction

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Autor: Archilla, Juan F. R.
Christiansen, P.L.
Gaididei, Yu B.
Departamento: Universidad de Sevilla. Departamento de Física Aplicada I
Fecha: 2001
Publicado en: Physical Review E, 65 (1), 016609-1/6
Tipo de documento: Artículo
Resumen: Most of the studies on mathematical models of DNA are limited to next neighbor interaction. However, the coupling between base pairs is thought to be caused by dipole interaction, and, when the DNA strand is bent, the distances between base pairs become shorter, therefore the interactions with distant base pairs have to be taken into account. In this paper we analyze the existence and stability of breathers, i.e., localized oscillations in a simple model of bent DNA with long-range dipole interaction. Breathers have been suggested as precursors of the denaturation bubble.
Tamaño: 108.9Kb
Formato: PDF

URI: http://hdl.handle.net/11441/35828

DOI: http://dx.doi.org/10.1103/PhysRevE.65.016609

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