A Model Coupling Vibrational and Rotational Motion for the DNA Molecule
- First Online:
- Cite this article as:
- Silva, R.A.S., Filho, E.D. & Ruggiero, J.R. J Biol Phys (2008) 34: 511. doi:10.1007/s10867-008-9111-2
- 64 Downloads
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.