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Chirality-induced spin selectivity by variable-range hopping along DNA double helix

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arxiv 2404.19000 v1 pith:QPZUKFYN submitted 2024-04-29 cond-mat.mes-hall cond-mat.dis-nn

Ryotaro Sano , Takeo Kato This is my paper · ORCID
classification cond-mat.mes-hallcond-mat.dis-nn
keywords spinhoppingmodelalongchiralchirality-induceddoublehelix
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We here present a variable-range hopping model to describe the chirality-induced spin selectivity along the DNA double helix. In this model, DNA is considered as a one-dimensional disordered system, where electrons are transported by chiral phonon-assisted hopping between localized states. Owing to the coupling between the electron spin and the vorticity of chiral phonons, electric toroidal monopole appears in the charge-to-spin conductances as a manifestation of true chirality. Our model quantitatively explains the temperature dependence of the spin polarization observed in experiments.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Boundary condition for phonon distribution functions at a smooth crystal interface and interfacial angular momentum transfer

    cond-mat.mes-hall 2026-01 conditional novelty 6.0 of 10

    At a smooth crystal interface, total phonon angular momentum conservation forces circularly polarized phonons to shift sideways and generate orbital angular momentum, quantified here by new boundary conditions.

  2. Theory of spin Seebeck effect activated by acoustic chiral phonons

    cond-mat.mes-hall 2025-05 conditional novelty 6.0 of 10

    The paper derives a microscopic formula for a phonon-driven spin Seebeck effect in chiral insulator/normal metal junctions, grounded in gyromagnetic coupling.

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