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In high-energy heavy-ion collisions, the chiral magnetic effect (CME) is predicted to arise from the interplay between the chirality imbalance of quarks in the nuclear medium and the intense magnetic field, and will cause a charge…

核理论 · 物理学 2023-03-22 Diyu Shen , Jinhui Chen , Aihong Tang , Gang Wang

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

Basic questions on the nature of spin polarization in two terminal systems and the way in which decoherence breaks Time-Reversal Symmetry (TRS) are analyzed. We exactly solve several one-dimensional models of tunneling electrons and show…

介观与纳米尺度物理 · 物理学 2023-04-04 S. Varela , M. Peralta , V. Mujica , B. Berche , E. Medina

Current-induced spin magnetization (CISM) specific to chiral crystals is microscopically analyzed using multipole theory to identify the necessary hopping and spin-orbit couplings (SOCs). Tight-binding models capturing the essence of chiral…

介观与纳米尺度物理 · 物理学 2025-03-07 Ryosuke Hirakida , Masaki Kato , Masao Ogata

Te is a naturally p-doped semiconductor with a chiral structure, where an electrical current causes the conduction electrons to become spin polarized parallel to the transport direction. In this paper, we present a comprehensive theoretical…

介观与纳米尺度物理 · 物理学 2024-03-05 Reena Gupta , Andrea Droghetti

Polarized neutron diffraction experiments have been performed on multiferroic materials $R$Mn$_{2}$O$_{5}$ ($R=$Ho, Er) under electric fields in the ferroelectric commensurate (CM) and the low-temperature incommensurate (LT-ICM) phases,…

强关联电子 · 物理学 2015-05-13 S. Wakimoto , H. Kimura , M. Fukunaga , K. Nishihata , M. Takeda , K. Kakurai , Y. Noda , Y. Tokura

The spin-selective transport through helical molecules has been a hot topic in condensed matter physics, because it develops a new research direction in spintronics, \emph{i.e.}, chiro-spintronics. Double-stranded DNA (dsDNA) molecules have…

介观与纳米尺度物理 · 物理学 2020-08-26 Gui-Fang Du , Hua-Hua Fu , Ruqian Wu

We present a microscopic theory of chirality-induced orbital selectivity (CIOS) in helical crystals, in which truly chiral phonons selectively transfer angular momentum to electronic orbital degrees of freedom. For a threefold helical…

其他凝聚态物理 · 物理学 2026-05-22 Tomomi Tateishi , Akihito Kato , Alexander S. Ovchinnikov , Jun-ichiro Kishine

Quark interactions with topological gluon configurations can induce chirality imbalance and local parity violation in quantum chromodynamics. This can lead to electric charge separation along the strong magnetic field in relativistic…

核实验 · 物理学 2019-09-25 STAR collaboration

As first demonstrated by Tang and Cohen in chiral optics, the asymmetry in the rate of electromagnetic energy absorption between left and right enantiomers is determined by an optical chirality density [1]. Here, we demonstrate that this…

介观与纳米尺度物理 · 物理学 2017-10-31 Igor Proskurin , Robert L. Stamps , Alexander S. Ovchinnikov , Jun-ichiro Kishine

The ability to control chirality and chiral phonons offers a route to manipulate the direction of spin and angular-momentum transport. In materials with rigid structural chirality, such as quartz, phonon chirality is fixed by the handedness…

In this paper, we propose a new experiment method to check contribution of chiral magnetic effect (CME). With experimental data of DIS involving transversely polarized proton, we have calculated the 3-D charge density inside the polarized…

高能物理 - 唯象学 · 物理学 2024-12-04 Gui-Zhen Wu , Zong-Wei Zhang , Chen Gao , Yi Xu , Wei-Tian Deng

The interaction between circularly polarized (CP) light and matter is governed by two fundamental quantities: spin angular momentum (SAM) and optical chirality (OC). While these quantities are inseparable in free space, they can be…

The chiral magnetic effect (CME) in relativistic heavy-ion collisions originates from a chirality imbalance among quarks within metastable QCD vacuum domains and may be linked to $CP$ violation, which is believed to play a crucial role in…

高能物理 - 唯象学 · 物理学 2026-03-31 Jing Gu , Jinhui Chen , Jie Zhao

Chirality in solid-state materials has sparked significant interest due to potential applications of topologically-protected chiral states in next-generation information technology. The electrical magneto-chiral effect (eMChE), arising from…

The use of nuclear spins as physical sensing systems is disadvantaged by their low signal responsivity, particularly when compared to sensing techniques based on electron spins. This primarily results from the small nuclear gyromagnetic…

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…

In this paper we outline a physically motivated framework for describing spin-selective recombination processes in chiral systems, from which we derive spin-selective reaction operators for recombination reactions of donor-bridge-acceptor…

化学物理 · 物理学 2023-03-09 Thomas P. Fay , David T. Limmer

Chirality plays a major role in nature, from particle physics to DNA, and its control is much sought-after due to the scientific and technological opportunities it unlocks. For magnetic materials, chiral interactions between spins promote…

Nonlocal spin polarization phenomena are thoroughly investigated in the devices made of chiral metallic single crystals of CrNb$_3$S$_6$ and NbSi$_2$ as well as of polycrystalline NbSi$_2$. We demonstrate that simultaneous injection of…