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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…

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…

We explore the role of molecular vibrations in the chirality-induced spin selectivity (CISS) effect in the context of charge transport through a molecular nanojunction. We employ a mixed quantum-classical approach that combines Ehrenfest…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 Rudolf Smorka , Samuel L. Rudge , Michael Thoss

The helical distribution of the electronic density in chiral molecules, such as DNA and bacteriorhodopsin, has been suggested to induce a spin-orbit coupling interaction that may lead to the so-called chirality-induced spin selectivity…

Mesoscale and Nanoscale Physics · Physics 2020-01-01 Miguel A. Sierra , David Sanchez , Rafael Gutierrez , Gianaurelio Cuniberti , Francisco Dominguez-Adame , Elena Diaz

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…

Photoexcitable donor-bridge-acceptor (D-B-A) molecules that support intramolecular charge transfer are ideal platforms to probe the influence of chiral-induced spin selectivity (CISS) in electron transfer and resulting radical pairs. In…

Quantum Physics · Physics 2023-04-27 Laura A. Völker , Konstantin Herb , Erika Janitz , Christian L. Degen , John M. Abendroth

The Chirality-Induced Spin Selectivity (CISS) effect describes the ability of chiral molecules and crystals to transmit spin-polarized currents, a phenomenon first identified in 1999. Although this effect holds great promise for a broad…

Mesoscale and Nanoscale Physics · Physics 2025-01-08 Sushant Kumar Behera , Ruggero Sala , Abhirup Roy Karmakar , Matteo Moioli , Rocco Martinazzo , Matteo Cococcioni

Planarian is an intriguing model system wherein the effect of electric and magnetic fields can be studied on various biochemical pathways during cell morphogenesis. Recent experimental observations have demonstrated the non-trivial…

Biological Physics · Physics 2024-03-04 Yash Tiwari , Parul Raghuvanshi , Vishvendra Singh Poonia

It is known that more than 50 species use the Earth's magnetic field for orientation and navigation. Intensive studies particularly behavior experiments with birds, provide support for a chemical compass based on magnetically sensitive free…

Quantum Physics · Physics 2013-12-10 Jianming Cai , Martin B. Plenio

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

Contrary to the usual picture that decoherence destroys quantum properties and causes the quantum-to-classical transition, we argue that decoherence can also play a constructive role in driving quantum dynamics and amplifying its results to…

Biological Physics · Physics 2012-08-24 Markus Tiersch , Hans J. Briegel

The observation of chiral-induced spin selectivity (CISS) in biological molecules still awaits a full theoretical explanation. In a recent Rapid Communication, Varela et al. [Phys. Rev. B 101, 241410(R) (2020)] presented a model for…

Mesoscale and Nanoscale Physics · Physics 2021-02-24 Ora Entin-Wohlman , Amnon Aharony , Yasuhiro Utsumi

Chiral molecules are known to preferentially select electrons with a particular spin state, an effect termed chirality-induced spin selectivity (CISS). In this work, the transient CISS dynamics in a chiral molecule are investigated through…

Mesoscale and Nanoscale Physics · Physics 2025-11-03 Riley Stuermer , Collin VanEssen , Jacob Byers , Keith Ferrer , Prasad Gudem , Diego Kienle , Jonas Fransson , Mani Vaidyanathan

Chirality-induced spin selectivity (CISS) refers to the fact that electrons get spin polarized after passing through organic chiral molecules in a nanoscale device. In CISS, chiral molecules are commonly believed to be a spin filter through…

Mesoscale and Nanoscale Physics · Physics 2022-12-06 Yotam Wolf , Yizhou Liu , Jiewen Xiao , Noejung Park , Binghai Yan

The notion of chiral-induced spin selectivity (CISS) has attracted intensive research interest recently. However, the practical applications of the CISS effects face challenges due to relatively low spin polarization. In this Letter, we…

Mesoscale and Nanoscale Physics · Physics 2024-02-05 Wei Liu , Jingqi Chen , Wenjie Dou

The chiral-induced spin selectivity (CISS) effect demonstrates a strong coupling between electron spin and molecular chirality, enabling spin-controlled interactions between chiral molecules and magnetic surfaces. While CISS experiments…

The magnetic sensing mechanism proposed to exist in avian eyes functions as a compass that detects the geomagnetic inclination aiding their migration. This mechanism is modeled by a quantum spin model known as the radical pair (RP) model.…

Biological Physics · Physics 2025-03-13 Tokio Yoshida , Masaya Kunimi , Tetsuro Nikuni

The origin and function of chirality in DNA, proteins, and other building blocks of life represent a central question in biology. Observations of spin polarization and magnetization associated with electron transport through chiral…

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…

Mesoscale and Nanoscale Physics · Physics 2020-06-02 Areg Ghazaryan , Yossi Paltiel , Mikhail Lemeshko

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…