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Directed polaron propagation in linear polypeptides induced by intramolecular vibrations and external electric pulses.

Luo, J. and Piette, B. M. A. G. (2018) 'Directed polaron propagation in linear polypeptides induced by intramolecular vibrations and external electric pulses.', Physical review E., 98 (1). 012401.

Abstract

We study the propagation of α-helix polarons in a model describing the nonadiabatic interaction between an electron and a lattice of quantum mechanical oscillators at physiological temperature. We show that when excited by a subpicosecond electric pulse, as induced by experimentally observed subpicosecond charge separation, the polaron is displaced by up to hundreds of lattice sites before the electron becomes delocalised. We discuss biophysical implications of our results.

Item Type:Article
Full text:(VoR) Version of Record
First Live Deposit - 10 July 2018
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Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1103/PhysRevE.98.012401
Publisher statement:Reprinted with permission from the American Physical Society: Luo, J. & Piette, B. M. A. G. (2018). Directed polaron propagation in linear polypeptides induced by intramolecular vibrations and external electric pulses. Physical Review E 98(1): 012401 © (2018) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Record Created:10 Jul 2018 09:58
Last Modified:10 Jul 2018 10:40

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