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We observe and model spin currents arising from chirality and effective spin-exchange interactions in a weakly interacting $^6$Li Fermi gas. Chirality is introduced by a static displacement between the center of the trapped atoms and the…

量子气体 · 物理学 2026-03-24 Camen A. Royse , J. E. Thomas

Chirality-induced spin selectivity (CISS) generates spin-polarized currents in nonmagnetic materials from structural chirality alone, yet its microscopic origin remains debated. Using a first-principles spatiotemporal density-matrix…

Chiral induced spin selectivity (CISS) describes efficient spin filtering by chiral molecules. This phenomenon has led to nanoscale manipulation of quantum spins with promising applications to spintronics and quantum computing, since its…

量子物理 · 物理学 2021-01-01 Xiaopeng Li , Jue Nan , Xiangcheng Pan

The chiral-induced spin selectivity (CISS) effect, a phenomenon where the chirality of molecules imparts significant spin selectivity to electron transfer processes, has garnered increasing interest among the chemistry, biology, and physics…

化学物理 · 物理学 2025-09-05 Tian-Yi Zhang , Yue Mao , Ai-Min Guo , Qing-Feng Sun

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…

材料科学 · 物理学 2022-05-13 Akihito Kato , Hiroshi M. Yamamoto , Jun-ichiro Kishine

The chiral-induced spin selectivity (CISS) effect, whereby chiral molecules preferentially transmit electrons of one spin orientation, remains one of the most intriguing and debated phenomena at the interface of spintronics, molecular…

介观与纳米尺度物理 · 物理学 2025-10-27 Subhajit Sarkar , Amos Sharoni , Oliver L. A. Monti , Yonatan Dubi

Chirality pervades multiple scientific domains-physics, chemistry, biology, and astronomy-and profoundly influences their foundational principles. Recently, the chirality-induced spin selectivity (CISS) phenomenon has captured significant…

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…

介观与纳米尺度物理 · 物理学 2024-08-07 Mohammad Reza Safari , Frank Matthes , Claus M. Schneider , Karl-Heinz Ernst , Daniel E. Bürgler

The interaction between electron spin and molecular chirality plays a fundamental role in quantum phenomena, with significant implications for spintronics and quantum computing. The chirality-induced spin selectivity (CISS) effect, where…

Chirality-induced spin selectivity (CISS) describes how chiral molecules and materials generate spin polarization even at thermal equilibrium. This observation has challenged established principles of microscopic reversibility and Onsager…

强关联电子 · 物理学 2025-10-29 Pius M. Theiler , Matthew C. Beard

Chirality-induced spin selectivity (CISS), a phenomenon wherein chiral structures selectively determine the spin polarization of electron currents flowing through the material, has garnered significant attention due to its potential…

介观与纳米尺度物理 · 物理学 2025-10-08 Börge Göbel , Lennart Schimpf , Ingrid Mertig

The chiral(ity)-induced spin selectivity (CISS) effect, where electrons passing through a chiral medium acquire significant spin-polarization at ambient temperatures, has been widely observed experimentally, yet its theoretical foundations…

化学物理 · 物理学 2025-09-03 Yan Xi Foo , Aisha Kermiche , Farhan T. Chowdhury , Clarice D. Aiello , Luke D. Smith

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…

介观与纳米尺度物理 · 物理学 2020-08-05 Yasuhiro Utsumi , Ora Entin-Wohlman , Amnon Aharony

Chiral materials exhibit a spin filtering effect, so-called chirality-induced spin selectivity (CISS). A recent observation of spin accumulation at the ends of a chiral-structured superconductor has opened up a new pathway for studying the…

超导电性 · 物理学 2025-03-12 Keito Hara , Youichi Yanase

Recent experiments have demonstrated the efficacy of chiral helically shaped molecules in polarizing the scattered electron spin, an effect termed as chiral-induced spin selectivity (CISS). Here we solve a simple tight-binding model for…

介观与纳米尺度物理 · 物理学 2016-02-03 Shlomi Matityahu , Yasuhiro Utsumi , Amnon Aharony , Ora Entin-Wohlman , Carlos A. Balseiro

Organic materials are known to feature long spin-diffusion times, originating in a generally small spin-orbit coupling observed in these systems. From that perspective, chiral molecules acting as efficient spin selectors pose a puzzle, that…

介观与纳米尺度物理 · 物理学 2020-06-02 Areg Ghazaryan , Yossi Paltiel , Mikhail Lemeshko

Chiral-induced spin selectivity (CISS) enables spin selectivity of charge carriers in chiral molecular systems without magnetic materials. While spin selectivity has been widely investigated, its quantum coherence has not yet been explored.…

量子物理 · 物理学 2026-01-09 Hanna T. Fridman , Rotem Malkinson , Amir Hen , Shira Yochelis , Yossi Paltiel , Nir Bar-gill

The role of chirality in determining the spin dynamics of photoinduced electron transfer in donor-acceptor molecules remains an open question. Although chirality-induced spin selectivity (CISS) has been demonstrated in molecules bound 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…

介观与纳米尺度物理 · 物理学 2025-09-19 Yu Wang , Ruihao Bi , Wei Liu , Jiayue Han , Wenjie Dou

Understanding chiral induced spin-selectivity (CISS), resulting from charge transport through helical systems, has recently inspired many experimental and theoretical efforts, but is still object of intense debate. In order to assess the…