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dc.contributor.author
Matityahu, Shlomi
dc.contributor.author
Utsumi, Yasuhiro
dc.contributor.author
Aharony, Amnon
dc.contributor.author
Entin-Wohlman, Ora
dc.contributor.author
Balseiro, Carlos Antonio
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dc.date.available
2018-09-18T17:29:44Z
dc.date.issued
2016-02
dc.identifier.citation
Matityahu, Shlomi; Utsumi, Yasuhiro; Aharony, Amnon; Entin-Wohlman, Ora; Balseiro, Carlos Antonio; Spin-dependent transport through a chiral molecule in the presence of spin-orbit interaction and nonunitary effects; American Physical Society; Physical Review B; 93; 7; 2-2016; 1-10
dc.identifier.issn
2469-9969
dc.identifier.uri
http://hdl.handle.net/11336/60096
dc.description.abstract
Recent experiments have demonstrated the efficacy of chiral helically shaped molecules in polarizing the scattered electron spin, an effect termed chiral-induced spin selectivity. Here we solve a simple tight-binding model for electron transport through a single helical molecule, with spin-orbit interactions on the bonds along the helix. Quantum interference is introduced via additional electron hopping between neighboring sites in the direction of the helix axis. When the helix is connected to two one-dimensional single-mode leads, time-reversal symmetry prevents spin polarization of the outgoing electrons. One possible way to retrieve such a polarization is to allow leakage of electrons from the helix to the environment, via additional outgoing leads. Technically, the leakage generates complex site self-energies, which break unitarity. As a result, the electron waves in the helix become evanescent, with different decay lengths for different spin polarizations, yielding a net spin polarization of the outgoing electrons, which increases with the length of the helix (as observed experimentally). A maximal polarization can be measured at a finite angle away from the helix axis.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Physical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Transporte Mesoscópicos
dc.subject
Magnetismo
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Spin-dependent transport through a chiral molecule in the presence of spin-orbit interaction and nonunitary effects
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-14T14:27:12Z
dc.journal.volume
93
dc.journal.number
7
dc.journal.pagination
1-10
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Matityahu, Shlomi. Ben Gurion University of the Negev; Israel
dc.description.fil
Fil: Utsumi, Yasuhiro. Mie University; Japón
dc.description.fil
Fil: Aharony, Amnon. Ben Gurion University of the Negev; Israel. Tel Aviv University; Israel
dc.description.fil
Fil: Entin-Wohlman, Ora. Tel Aviv University; Israel. Ben Gurion University of the Negev; Israel
dc.description.fil
Fil: Balseiro, Carlos Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.journal.title
Physical Review B
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1103/PhysRevB.93.075407
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.075407
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