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Bubble generation in a twisted and bent DNA-like model

Authors
Publisher
American Physical Society
Publication Date
Keywords
  • Long-Range
  • Moving Breathers
  • Discrete Breathers
  • Toda Lattice Model
  • Nonlinear Model
  • Energy Localization
  • Klein-Gordon Model
  • Denaturation
  • Dynamics
  • Chain

Abstract

The DNA molecule is modeled by a parabola embedded chain with long-range interactions between twisted base pair dipoles. A mechanism for bubble generation is presented and investigated in two different configurations. Using random normally distributed initial conditions to simulate thermal fluctuations, a relationship between bubble generation, twist and curvature is established. An analytical approach supports the numerical results.

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