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Related papers: Spin-filtering in a $p$-orbital helical atomic cha…

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Spin selective transport is usually associated with spin-orbit interactions. However, these interactions are invariant under time-reversal symmetry, and the Onsager relations and Bardarson's theorem imply that such interactions cannot yield…

Mesoscale and Nanoscale Physics · Physics 2025-04-07 Amnon Aharony , Ora Entin-Wohlman

Chirality induced spin selectivity, discovered about two decades ago in helical molecules, is a non-equilibrium effect that emerges from the interplay between geometrical helicity and spin-orbit interactions. Several model Hamiltonians…

Mesoscale and Nanoscale Physics · Physics 2019-11-13 J. Fransson

The chirality-induced spin selectivity (CISS) effect has garnered significant interest in the field of molecular spintronics due to its potential for creating spin-polarized electrons without the need for a magnet. Recent studies devoted to…

Chiral molecular junctions offer a promising platform for realizing chiral-induced spin selectivity (CISS), where spin filtering occurs without external magnetic fields. Here, we investigate spin transport in such junctions by combining…

Mesoscale and Nanoscale Physics · Physics 2025-09-19 Yu Wang , Ruihao Bi , Wei Liu , Jiayue Han , Wenjie Dou

The functionality of many biological systems depends on reliable electron transfer with minimal heating. Unlike man-made electric circuits, nature realizes electron transport via insulating chiral molecules. Here we include spin into the…

Mesoscale and Nanoscale Physics · Physics 2016-01-18 Karen Michaeli , Ron Naaman

Semiconductors with strong spin-orbit interactions can exhibit a helical gap with spin-momentum locking opened by a magnetic field. Such a gap is highly spin selective as a result of a topologically protected spin-momentum locking, which…

Mesoscale and Nanoscale Physics · Physics 2020-08-06 Jian Sun , Russell S. Deacon , Xiaochi Liu , Jun Yao , Koji Ishibashi

The experiment that the high spin selectivity and the length-dependent spin polarization are observed in double-stranded DNA [Science ${\bf 331}$, 894 (2011)], is elucidated by considering the combination of the spin-orbit coupling, the…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Ai-Min Guo , Qing-feng Sun

Chirality-induced spin selectivity (CISS) is an effect that has recently attracted a great deal of attention in chiral chemistry and that remains to be understood. In the CISS effect, electrons passing through chiral molecules acquire a…

The chirality induced spin selectivity (CISS) effect is a fascinating phenomena correlating molecular structure with electron spin-polarisation in excited state measurements. Experimental procedures to quantify the spin-filtering magnitude…

Chiral-induced spin selectivity (CISS), whereby helical molecules polarize the spin of electrical current, is an intriguing effect with potential applications in nanospintronics. In this nascent field, the study of paramagnetic chiral…

This work investigates electron transport through chiral electrostatic potentials by modeling the system in three spatial dimensions and demonstrates that chirality-induced orbital selectivity (CIOS) produces pronounced enantiospecific…

Mesoscale and Nanoscale Physics · Physics 2025-09-10 Namgee Cho , James Lim , Martin B. Plenio

We provide a critical overview of the theory of the chirality-induced spin selectivity (CISS) effect, i.e., phenomena in which the chirality of molecular species imparts significant spin selectivity to various electron processes. Based on…

Chirality-induced spin selectivity (CISS) was recently observed in photo-excited donor-chiral bridge-acceptor molecules, but a predictive theory able to explain available experiments is still lacking. Here we show that low-energy torsional…

For over two decades, the role of structural chirality in spin polarization has been widely investigated, with implications for the origins of life, catalysis, and quantum phenomena. Yet, it remains unclear whether all chirality-induced…

Mesoscale and Nanoscale Physics · Physics 2025-05-12 Pius M. Theiler , Sander Driessen , Matthew C. Beard

Motivated by experimental reports on chirality induced spin selectivity, we investigate a minimal model that allows us to calculate the charge and spin conductances through helical molecules analytically. The spin-orbit interaction is…

Mesoscale and Nanoscale Physics · Physics 2024-08-29 Richard Korytár , Jan M. van Ruitenbeek , Ferdinand Evers

Quantum interference effects in rings provide suitable means for controlling spin at mesoscopic scales. Here we apply such a control mechanism to the spin-dependent transport in a ballistic quasi one dimensional ring patterned in two…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. Bellucci , P. Onorato

Various device-based experiments have indicated that electron transfer in certain chiral molecules may be spin-dependent, a phenomenon known as the Chiral Induced Spin Selectivity (CISS) effect. However, due to the complexity of these…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Xu Yang , Caspar H. van der Wal , Bart J. van Wees

Unlike the two-terminal device, in which the time-reversal invariant spin-orbit interaction alone cannot polarize the spins, such a polarization can be generated when electrons from one source reservoir flow into two (or more) separate…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Shlomi Matityahu , Amnon Aharony , Ora Entin-Wohlman , Carlos A. Balseiro

Electronic transport through a single-molecule magnet Mn$_{12}$ in a two-terminal set up is calculated using the non-equilibrium Green's function method in conjunction with density-functional theory. A single-molecule magnet Mn$_{12}$ is…

Materials Science · Physics 2010-01-28 Salvador Barraza-Lopez , Kyungwha Park , Víctor García-Suárez , Jaime Ferrer

Spin-dependent partial conductances are evaluated in a tight-binding description of electron transport in the presence of spin-orbit (SO) couplings, using transfer-matrix methods. As the magnitude of SO interactions increases, the…

Statistical Mechanics · Physics 2020-03-06 S. L. A. de Queiroz