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Related papers: Chirality-Induced Spin Currents in a Fermi Gas

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The chirality-induced spin selectivity (CISS), demonstrated in diverse chiral molecules by numerous experimental and theoretical groups, has been attracting extensive and ongoing interest in recent years. As the secondary structure of DNA,…

Mesoscale and Nanoscale Physics · Physics 2020-11-11 Pei-Jia Hu , Si-Xian Wang , Xiao-Hui Gao , Yan-Yang Zhang , Tie-Feng Fang , Ai-Min Guo , Qing-Feng Sun

Chirality represents a kind of symmetry breaking characterized by the noncoincidence of an object with its mirror image and has been attracting intense attention in a broad range of scientific areas. The recent realization of spin-orbit…

Quantum Gases · Physics 2018-07-27 Wei Han , Xiao-Fei Zhang , Deng-Shan Wang , Hai-Feng Jiang , Wei Zhang , Shou-Gang Zhang

Chirality-induced spin selectivity (CISS) refers to an ability to induce a spin polarization of an electron transmitted through chiral materials. An important experimental observation is that incredibly large spin polarization is realized…

Materials Science · Physics 2022-05-13 Akihito Kato , Hiroshi M. Yamamoto , Jun-ichiro Kishine

Time-reversal symmetric charge and spin transport through a molecule comprising two-orbital channels and connected to two leads is analyzed. It is demonstrated that spin-resolved currents are generated when spin-flip processes are…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 Yasuhiro Utsumi , Ora Entin-Wohlman , Amnon Aharony

We demonstrate that edge currents develop in active chiral matter -- composed of spinning disk-shaped grains with chirally arranged tilted legs confined in a circular vibrating chamber -- due to boundary shielding over a wide range of…

Soft Condensed Matter · Physics 2023-08-09 Alexander P. Petroff , Christopher Whittington , Arshad Kudrolli

Chirality of materials in nature appears when there are asymmetries in their lattice structures or interactions in a certain environment. Recent development of quantum simulation technology has enabled the manipulation of qubits.…

Strongly Correlated Electrons · Physics 2016-06-23 Tetsufumi Tanamoto

Electrical generation of polarized spins in nonmagnetic materials is of great interest for the underlying physics and device potential. One such mechanism is chirality-induced spin selectivity (CISS), with which structural chirality leads…

Chirality has been a property of central importance in chemistry and biology for more than a century, and is now taking on increasing relevance in condensed matter physics. Recently, electrons were found to become spin polarized after…

Recent research discovered that charge transfer processes in chiral molecules can be spin selective and named the effect chiral-induced spin selectivity (CISS). Follow-up work studied hybrid spintronic devices with conventional electronic…

Mesoscale and Nanoscale Physics · Physics 2019-06-25 Xu Yang , Tom Bosma , Bart J. van Wees , Caspar H. van der Wal

We consider a trapped atomic system in the presence of spatially varying laser fields. The laser-atom interaction generates a pseudospin degree of freedom (referred to simply as spin) and leads to an effective spin-orbit coupling for the…

Other Condensed Matter · Physics 2007-12-18 Tudor D. Stanescu , Chuanwei Zhang , Victor Galitski

We predict the appearance of a persistent spin current in a two-dimensional electron gas formed at the interface of multiferroic oxides with a transverse helical magnetic order. No charge current is generated. This is the result of an…

Mesoscale and Nanoscale Physics · Physics 2009-07-20 Chenglong Jia , Jamal Berakdar

Spin-orbit coupling (SOC) in solids normally originates from the electron motion in the electric field of the crystal. It is key to understanding a variety of spin-transport and topological phenomena, such as Majorana fermions and recently…

Quantum Gases · Physics 2014-11-18 Sergey V. Syzranov , Michael L. Wall , Victor Gurarie , Ana Maria Rey

Charge and spin dynamics is addressed in chiral molecules immediately after the instantaneous coupling to an external metallic reservoir. It is shown how a spin-polarization is induced in the chiral structure as a response to the charge…

Mesoscale and Nanoscale Physics · Physics 2022-02-08 J. Fransson

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

We predict the existence of chiral spin waves collective modes in a two-dimensional Fermi liquid with the Rashba or Dresselhaus spin-orbit coupling. Starting from the phenomenological Landau theory, we show that the long-wavelength dynamics…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Ali Ashrafi , Dmitrii L. Maslov

The interplay between chirality and magnetism has been a source of fascination among scientists for over a century. In recent years, chirality-induced spin selectivity (CISS) has attracted renewed interest. It has been observed that…

Mesoscale and Nanoscale Physics · Physics 2024-08-07 Mohammad Reza Safari , Frank Matthes , Claus M. Schneider , Karl-Heinz Ernst , Daniel E. Bürgler

Chiral induced spin selectivity is a phenomenon that has been attributed to chirality, spin-orbit interactions, and non-equilibrium conditions, while the role of electron exchange and correlations have been investigated only marginally…

Mesoscale and Nanoscale Physics · Physics 2021-04-28 J. Fransson

We investigate a mesoscopic spin current for strongly interacting Fermi gases through a quantum point contact. Under the situation where spin polarizations in left and right reservoirs are same in magnitude but opposite in sign, we…

Quantum Gases · Physics 2020-05-13 Yuta Sekino , Hiroyuki Tajima , Shun Uchino

Central to spintronics is the interconversion between electronic charge and spin currents, and this can arise from the chirality-induced spin selectivity (CISS) effect. CISS is often studied as magnetoresistance (MR) in two-terminal (2T)…

Mesoscale and Nanoscale Physics · Physics 2020-08-21 Xu Yang , Caspar H. van der Wal , Bart J. van Wees