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Article

Spin-Polarized Electron Transmission in DNA-Like Systems

1
Institute for Cross-Disciplinary Physics and Complex Systems IFISC (UIB-CSIC), E-07122 Palma de Mallorca, Spain
2
Institut für Theoretische Physik (TP4) and Würzburg-Dresden Cluster of Excellence ct.qmat, Universität Würzburg, 97074 Würzburg, Germany
3
Institute for Materials Science and Max Bergmann Center of Biomaterials, TU Dresden, 01062 Dresden, Germany
4
Dresden Center for Computational Materials Science, TU Dresden, 01062 Dresden, Germany
5
Center for Advancing Electronics Dresden, TU Dresden, 01062 Dresden, Germany
6
GISC, Departamento de Física de Materiales, Universidad Complutense, E-28040 Madrid, Spain
*
Author to whom correspondence should be addressed.
Biomolecules 2020, 10(1), 49; https://doi.org/10.3390/biom10010049
Received: 29 November 2019 / Revised: 17 December 2019 / Accepted: 19 December 2019 / Published: 28 December 2019
(This article belongs to the Special Issue Biomolecular Electronics)
The helical distribution of the electronic density in chiral molecules, such as DNA and bacteriorhodopsin, has been suggested to induce a spin–orbit coupling interaction that may lead to the so-called chirality-induced spin selectivity (CISS) effect. Key ingredients for the theoretical modelling are, in this context, the helically shaped potential of the molecule and, concomitantly, a Rashba-like spin–orbit coupling due to the appearance of a magnetic field in the electron reference frame. Symmetries of these models clearly play a crucial role in explaining the observed effect, but a thorough analysis has been largely ignored in the literature. In this work, we present a study of these symmetries and how they can be exploited to enhance chiral-induced spin selectivity in helical molecular systems. View Full-Text
Keywords: chirality-induced spin selectivity; helical molecules; spin transport; spin polarization; DNA electronic transport chirality-induced spin selectivity; helical molecules; spin transport; spin polarization; DNA electronic transport
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MDPI and ACS Style

Sierra, M.A.; Sánchez, D.; Gutierrez, R.; Cuniberti, G.; Domínguez-Adame, F.; Díaz, E. Spin-Polarized Electron Transmission in DNA-Like Systems. Biomolecules 2020, 10, 49. https://doi.org/10.3390/biom10010049

AMA Style

Sierra MA, Sánchez D, Gutierrez R, Cuniberti G, Domínguez-Adame F, Díaz E. Spin-Polarized Electron Transmission in DNA-Like Systems. Biomolecules. 2020; 10(1):49. https://doi.org/10.3390/biom10010049

Chicago/Turabian Style

Sierra, Miguel A., David Sánchez, Rafael Gutierrez, Gianaurelio Cuniberti, Francisco Domínguez-Adame, and Elena Díaz. 2020. "Spin-Polarized Electron Transmission in DNA-Like Systems" Biomolecules 10, no. 1: 49. https://doi.org/10.3390/biom10010049

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