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A model coupling vibrational and rotational motion for the DNA molecule.


ABSTRACT: We investigate a mechanical model for the DNA molecule using an extension of the Peyrard and Bishop model. In the present model, there are two chains of oscillators linked by a Morse potential, which represent the hydrogen bonds. The rotational and vibrational motions of each base pair are considered and the coupling for these motions are introduced by a nonlinear combination of them in the Morse potential. In this context, thermodynamics and structural properties are discussed.

SUBMITTER: Silva RA 

PROVIDER: S-EPMC2652549 | biostudies-other | 2008 Oct

REPOSITORIES: biostudies-other

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