Working Paper Article Version 1 This version is not peer-reviewed

Base-pairs Correlated Oscillation Effects on the Charge Transfer in Double-Helix B-DNA Molecules

Version 1 : Received: 4 November 2020 / Approved: 6 November 2020 / Online: 6 November 2020 (09:05:14 CET)

A peer-reviewed article of this Preprint also exists.

Maciá, E. Base-Pairs’ Correlated Oscillation Effects on the Charge Transfer in Double-Helix B-DNA Molecules. Materials 2020, 13, 5119. Maciá, E. Base-Pairs’ Correlated Oscillation Effects on the Charge Transfer in Double-Helix B-DNA Molecules. Materials 2020, 13, 5119.

Journal reference: Materials 2020, 13, 5119
DOI: 10.3390/ma13225119

Abstract

By introducing a suitable renormalization process the charge carrier and phonon dynamics of a double-stranded helical DNA molecule is expressed in terms of an effective Hamitonian describing a linear chain, where the renormalized transfer integrals explicitly depend on the relative orientations of the Watson-Crick base pairs, and the renormalized on-site energies are related to the electronic parameters of consecutive base pairs along the helix axis, as well as to the low-frequency phonons dispersion relation. The existence of synchronized collective oscillations enhancing the π-π orbital overlapping among different base pairs is disclosed from the study of the obtained analytical dynamical equations. The role of these phonon-correlated, long-range oscillation effects on the charge transfer properties of double standed DNA homopolymers is discussed in terms of the resulting band structure.

Subject Areas

DNA charge transfer; effective Hamiltonians; renormalization techniques

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our diversity statement.

Leave a public comment
Send a private comment to the author(s)
Views 0
Downloads 0
Comments 0
Metrics 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.
We use cookies on our website to ensure you get the best experience.
Read more about our cookies here.