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In this paper, we investigate the effect of chiral-induced spin selectivity (CISS) on the radical pair model of avian magnetoreception. We examine the impact of spin selectivity on the avian compass sensitivity. In this analysis, we also…

Biological Physics · Physics 2023-05-23 Yash Tiwari , Vishvendra Singh Poonia

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.…

Quantum Physics · Physics 2026-01-09 Hanna T. Fridman , Rotem Malkinson , Amir Hen , Shira Yochelis , Yossi Paltiel , Nir Bar-gill

It is hypothesised that the avian compass relies on spin dynamics in a recombining radical pair. Quantum coherence has been suggested as a resource to this process that nature may utilise to achieve increased compass sensitivity. To date,…

Biological Physics · Physics 2022-06-22 Luke D. Smith , Jean Deviers , Daniel R. Kattnig

Chiral-induced spin selectivity (CISS) has been shown to enhance magnetic sensitivity in radical pair mechanism (RPM) models under specific Hamiltonian conditions, yet whether these enhancements persist across a broader parameter space…

Biological Physics · Physics 2026-05-22 Tristen Gwynn , Betony Adams , Francesco Petruccione

Radical pairs in the flavoprotein cryptochrome are central to various magnetically sensitive biological processes, including the proposed mechanism of avian magnetoreception. Cryptochrome's molecular chirality has been hypothesized to…

Quantum Physics · Physics 2025-05-06 Luke D. Smith , Sukesh Tallapudi , Matt C. J. Denton , Daniel R. Kattnig

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…

Quantum Physics · Physics 2021-01-01 Xiaopeng Li , Jue Nan , Xiangcheng Pan

Here we review a universal model for chirally induced spin-selectivity (CISS) as a standalone effect occurring in chiral molecules. We tie together the results of forward scattering in the gas phase to the results for photoelectrons in…

Mesoscale and Nanoscale Physics · Physics 2024-06-24 Miguel Mena , Solmar Varela , Bertrand Berche , Ernesto Medina

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…

Chemical Physics · Physics 2025-09-03 Yan Xi Foo , Aisha Kermiche , Farhan T. Chowdhury , Clarice D. Aiello , Luke D. Smith

Chirally Induced Spin Selectivity (CISS) is a transport phenomenon observed in both linear and non-linear regimes, where the spin-orbit coupling (SOC) acts as the key driver and electron tunneling serves as the dominant mechanism for charge…

Mesoscale and Nanoscale Physics · Physics 2024-01-05 Miguel Mena , Bertrand Berche , Ernesto Medina

The chirality-induced spin selectivity (CISS) effect gives rise to strongly spin-dependent transport through many organic molecules and structures. Its discovery raises fascinating fundamental questions as well as the prospect of possible…

Mesoscale and Nanoscale Physics · Physics 2023-01-18 Dan Klein , Karen Michaeli

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…

Chiral-induced spin selectivity (CISS) is a striking phenomenon in which spin-unpolarized electrons become spin-polarized after traversing a chiral medium. Theoretical studies have shown that spin-orbit coupling, geometric chirality, and…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Lizhou Liu , Peng-Yi Liu , Tian-Yi Zhang , Qing-Feng Sun

Chiral-induced spin selectivity (CISS) is a phenomenon in which electron spins are polarized as they are transported through chiral molecules, and the spin polarization depends on the handedness of the chiral molecule. In this study, we…

Mesoscale and Nanoscale Physics · Physics 2023-02-09 Nguyen Thanh Phuc

We review the spin radical pair mechanism which is a promising explanation of avian navigation. This mechanism is based on the dependence of product yields on (1) the hyperfine interaction involving electron spins and neighboring nuclear…

Biological Physics · Physics 2015-03-24 Yiteng Zhang , Gennady P. Berman , Sabre Kais

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…

Recent progress in constructing supramolecular assemblies with hierarchical chirality offers new opportunities to investigate the chirality-induced spin selectivity (CISS) effect and its potential applications. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2025-12-22 Song Chen , Kai-Yuan Zhang , Xi Sun , Shu-Zheng Zhou , Hua-Hua Fu

The observation of spin-dependent transmission of electrons through chiral molecules has led to the discovery of chiral-induced spin selectivity (CISS). The remarkably high efficiency of the spin polarizing effect has recently gained…

Mesoscale and Nanoscale Physics · Physics 2024-03-01 Ashish Moharana , Yael Kapon , Fabian Kammerbauer , David Anthofer , Shira Yochelis , Mathias Kläui , Yossi Paltiel , Angela Wittmann

Chiral-Induced Spin Selectivity (CISS) describes the emergence of spin-polarized electron transport in chiral systems without magnetic fields, a remarkable effect in light-element materials with weak intrinsic spin-orbit coupling (SOC).…

Chirality-induced spin selectivity (CISS) has been extensively studied over the past two decades. While current-induced spin polarization in chiral molecules is widely recognized as the fundamental principle of the CISS, only a few studies…

Materials Science · Physics 2023-08-25 Kouta Kondou , Shinji Miwa , Daigo Miyajima

Spin-orbit coupling gives rise to a range of spin-charge interconversion phenomena in non-magnetic systems where certain spatial symmetries are reduced or absent. Chirality-induced spin selectivity (CISS), a term that generically refers to…

Mesoscale and Nanoscale Physics · Physics 2023-04-25 W. Dednam , M. A. García-Blázquez , Linda A. Zotti , E. B. Lombardi , C. Sabater , S. Pakdel , J. J. Palacios
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