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Title

Spin-Polarized Electron Transmission in DNA-Like Systems

AuthorsSierra, Miguel A.; Sánchez, David ; Gutiérrez, Rafael; Cuniberti, Gianaurelio; Domínguez-Adame, Francisco
KeywordsChirality-induced spin selectivity
Helical molecules
Spin transport
Spin polarization
DNA electronic transport
Issue Date2020
PublisherMultidisciplinary Digital Publishing Institute
CitationBiomolecules 10(1): 49 (2020)
AbstractThe 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.
DescriptionThis article belongs to the Special Issue Biomolecular Electronics.
Publisher version (URL)https://doi.org/10.3390/biom10010049
URIhttp://hdl.handle.net/10261/218628
DOIhttp://dx.doi.org/10.3390/biom10010049
E-ISSN2218-273X
Appears in Collections:(IFISC) Artículos
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