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The interplay of electrons with a chiral medium has a diverse impact across science and technology, influencing drug separation, chemical reactions, and electronic transport. In particular, such electronchirality interactions can…

介观与纳米尺度物理 · 物理学 2024-08-23 Anil Kumar Singh , Kevin Martin , Maurizio Mastropasqua Talamo , Axel Houssin , Nicolas Vanthuyne , Narcis Avarvari , Oren Tal

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…

介观与纳米尺度物理 · 物理学 2024-02-05 Wei Liu , Jingqi Chen , Wenjie Dou

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…

生物物理 · 物理学 2024-03-04 Yash Tiwari , Parul Raghuvanshi , Vishvendra Singh Poonia

We performed the detailed magnetotransport measurements and first principle calculations to study the electronic properties of the transition metal dipnictides ZrAs2, which is a topological nodal-line semimetal. Extremely large unsaturated…

材料科学 · 物理学 2025-03-03 Junjian Mi , Sheng Xu , Shuxiang Li , Chenxi Jiang , Zheng Li , Qian Tao , Zhu-An Xu

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…

介观与纳米尺度物理 · 物理学 2019-11-13 J. Fransson

Theoretical studies on spin-dependent transport through helical molecules with straight spiral geometry have received intense research interest in the past decade, however, the physics in circular helical molecules has still less been…

介观与纳米尺度物理 · 物理学 2024-01-17 Song Chen , Hua-Hua Fu

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…

介观与纳米尺度物理 · 物理学 2020-01-01 Miguel A. Sierra , David Sanchez , Rafael Gutierrez , Gianaurelio Cuniberti , Francisco Dominguez-Adame , Elena Diaz

Chiral materials are the ideal playground for exploring the relation between symmetry, relativistic effects, and electronic transport. For instance, chiral organic molecules have been intensively studied to electrically generate…

A new mechanism of bi-linear magnetoresistance (BMR) is studied theoretically within the minimal model describing surface electronic states in topological insulators (TIs). The BMR appears as a consequence of the second-order response to…

介观与纳米尺度物理 · 物理学 2020-02-05 A. Dyrdał , J. Barnaś , A. Fert

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…

生物物理 · 物理学 2023-05-23 Yash Tiwari , Vishvendra Singh Poonia

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,…

介观与纳米尺度物理 · 物理学 2020-11-11 Pei-Jia Hu , Si-Xian Wang , Xiao-Hui Gao , Yan-Yang Zhang , Tie-Feng Fang , Ai-Min Guo , Qing-Feng Sun

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…

介观与纳米尺度物理 · 物理学 2024-09-04 Rudolf Smorka , Samuel L. Rudge , Michael Thoss

A large spin-dependent and electric field-tunable magnetoresistance of a two-dimensional electron system (2DES) is a key ingredient for the realization of many novel concepts for spin-based electronic devices. The low magnetoresistance…

Chiral magnetism, wherein there is a preferred sense of rotation of the magnetization, has become a key aspect for future spintronic applications. It determines the chiral nature of magnetic textures, such as skyrmions, domain walls or spin…

Chirality is breaking of mirror symmetry in matter. In the fields of biology and chemistry, this is particularly important because some of the essential molecules in life such as amino acids and DNA have chirality. It is a long-standing…

强关联电子 · 物理学 2019-07-04 N. Jiang , Y. Nii , H. Arisawa , E. Saitoh , Y. Onose

Chiral matter acting as a spin-selective device in biased electron transport is attracting attention for the quantum-technological design of miniaturized electronics. To date, however, experimental reports on spin selectivity are not…

介观与纳米尺度物理 · 物理学 2026-01-09 Lorenz Meyer , Nicolas Néel , Jörg Kröger

We study spin polarization induced by locally injected electric currents in a metal whose spin--orbit coupling reflects its structural chirality. We reveal both spin polarization in the bulk in the linear response and antiparallel spin…

A clear understanding of chirality in spin-active electronic states is discussed in order to address confusions about chiral effects recently discovered in materials science. Electronic toroidal monopole $G_0$ can serve as a measure of…

材料科学 · 物理学 2024-09-12 Hiroaki Kusunose , Jun-ichiro Kishine , Hiroshi M. Yamamoto

The spin dynamics of electrons in chiral molecular systems remain a topic of intense interest, particularly regarding whether geometric chirality inherently induces spin polarization in current-carrying electrons. In this work, we employ ab…

In connection to the chiral-induced spin-selectivity (CISS) effect, we theoretically analyze the electronic and spin states of edges of a finite $p$-orbital helical atomic chain with the intra-atomic spin-orbit interaction (SOI). This model…

介观与纳米尺度物理 · 物理学 2023-12-25 Takemitsu Kato , Yasuhiro Utsumi , Ora Entin-Wohlman , Amnon Aharony