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Modeling the interaction of DNA with alternating fields

A. E. Bergues-Pupo1,2, J. M. Bergues3, and F. Falo2,4

  • 1Departamento de Física, Universidad de Oriente, 90500 Santiago de Cuba, Cuba
  • 2Departamento de Física de la Materia Condensada, Universidad de Zaragoza. 50009 Zaragoza, Spain
  • 3Escuela Politécnica Superior y Facultad de Ciencias de la Salud, Universidad San Jorge, 50830 Villanueva de Gállego, Zaragoza, Spain
  • 4Instituto de Biocomputación y Física de Sistemas Complejos, Universidad de Zaragoza, 50009 Zaragoza, Spain

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Phys. Rev. E 87, 022703 – Published 7 February, 2013

DOI: https://doi.org/10.1103/PhysRevE.87.022703

Abstract

We study the influence of a terahertz field on thermal properties of DNA molecules. A Peyrard-Bishop-Dauxois model with the inclusion of a solvent interaction term is considered. The terahertz field is included as a sinusoidal driven force in the equation of motion. We show how under certain field and system parameters, the melting transition and bubble formation are modified.

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Phys. Rev. E 87, 022703– Published 7 February, 2013
  • Received 6 November 2012

©2013 American Physical Society

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