Nonlinear molecular excitations in a completely inhomogeneous DNA chain
classification
🌊 nlin.PS
cond-mat.soft
keywords
chaincompletelyinhomogeneousnonlinearperturbationperturbedsolitonanalysis
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We study the nonlinear dynamics of a completely inhomogeneous DNA chain which is governed by a perturbed sine-Gordon equation. A multiple scale perturbation analysis provides perturbed kink-antikink solitons to represent open state configuration with small fluctuation. The perturbation due to inhomogeneities changes the velocity of the soliton. However, the width of the soliton remains constant.
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