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Related papers: Chirality in Structural Phase Transitions

200 papers

We investigate disorder-driven topological phase transitions in quantized electric quadrupole insulators. We show that chiral symmetry can protect the quantization of the quadrupole moment $q_{xy}$, such that the higher-order topological…

Mesoscale and Nanoscale Physics · Physics 2020-10-21 Chang-An Li , Bo Fu , Zi-Ang Hu , Jian Li , Shun-Qing Shen

In most Dirac semimetals, time-reversal and inversion symmetries are believed to play a crucial role in their stability. We demonstrate that these symmetries are broken in Dirac fermions in the organic conductor $\alpha$-(BEDT-TTF)$_2$I$_3$…

Strongly Correlated Electrons · Physics 2020-06-26 Takao Morinari

In solid state physics, any symmetry breaking is known to be associated with emergence of an order parameter. However, the order parameter for molecular and crystal chirality, which is a consequence of parity and mirror symmetry breaking,…

Materials Science · Physics 2023-06-27 Jun-ichiro Kishine , Hiroaki Kusunose , Hiroshi M. Yamamoto

Built upon the state-of-the-art model a multiphase transport (AMPT), we develop a new module of chiral anomaly transport (CAT), which can trace the evolution of the initial topological charge of gauge field created through sphaleron…

High Energy Physics - Phenomenology · Physics 2023-11-01 Zilin Yuan , Anping Huang , Wen-Hao Zhou , Guo-Liang Ma , Mei Huang

Chirality is more than a geometric curiosity; it governs measurable asymmetries across nature, from enantiomer-selective drugs and left-handed fermions in particle physics to handed charge transport in Weyl semimetals. We extend this…

Quantum Physics · Physics 2025-12-23 Kyu-Won Park , KyeongRo Kim , Kabgyun Jeong

The chiral source and its mechanism in the molecular system are of great significance in many fields. In this work, we proposed visualized methods to investigate physical mechanism of chiral molecule, where the electric and magnetic…

Chemical Physics · Physics 2019-05-29 Jingang Wang , Xiangtao Chen , Jizhe Song , Xijiao Mu , Mengtao Sun

Chirality transfer from the level of molecular structure up to mesoscopic lengthscales of supramolecular morphologies is a broad and persistent theme in self-assembled soft materials, from biological to synthetic matter. Here, we analyze…

Soft Condensed Matter · Physics 2023-08-08 Ishan Prasad , Abhiram Reddy , Gregory M. Grason

Maximum structural chirality refers to the highest selectivity for circularly polarized light (CPL) in nanostructures, often manifested as maximum circular dichroism (CD), optical rotation (OR), and spin-orbit coupling (SOC). However, the…

Optics · Physics 2025-04-29 WenKui Zhao , ShengYi Wang , HanZhuo Kuang , Hao Luo , Qiu Wang , Bo-Wen Jia

In solid state physics, any phase transition is commonly observed as a change in the microscopic distribution of charge, spin, or current. Here we report the nature of an exotic order parameter inherent in the localized electron orbitals…

Strongly Correlated Electrons · Physics 2023-07-03 Shintaro Hoshino , Michi-To Suzuki , Hiroaki Ikeda

The observation of chirality is ubiquitous in nature. Contrary to intuition, the population of opposite chiralities is surprisingly asymmetric at fundamental levels. Examples range from parity violation in the subatomic weak force to the…

Chirality, or handedness, is a geometrical property denoting a lack of mirror symmetry. Chirality is ubiquitous in nature and is associated with the non-reciprocal interactions observed in complex systems ranging from biomolecules to…

Quantum Physics · Physics 2024-08-08 Jonah S. Peter , Stefan Ostermann , Susanne F. Yelin

Ferrochiral materials with an achiral-to-chiral phase transition and switchable chirality have unique application opportunities, enabling control of the angular momentum of circularly polarized lattice vibrations (chiral phonons) and…

Materials Science · Physics 2025-07-24 C. R. Zeiger , R. S. Dragland , R. Sjökvist , R. Beanland , D. Meier , T. Grande , M. S. Senn , O. G. Grendal

Chiral systems exhibit unique properties traditionally linked to their asymmetric spatial arrangement. Recently, multiple laser pulses were shown to induce purely electronic chiral states without altering the nuclear configuration. Here, we…

Chemical Physics · Physics 2025-07-24 Torsha Moitra , Lukas Konecny , Marius Kadek , Ofer Neufeld , Angel Rubio , Michal Repisky

Chirality plays a crucial role in determining the structure of many systems in nature. Twisted or helical aggregates as a consequence of self-assembly can be seen in many biological and synthetic materials. Despite extensive theoretical and…

Soft Condensed Matter · Physics 2026-05-27 Sayantan Mondal , Jayashree Saha

We demonstrate through first-principles calculations applied to the K$_{3}$NiO$_{2}$ crystal that a structural phase transition from an achiral to a chiral phase can be mediated by a degenerate soft phonon mode and controlled by pressure…

Materials Science · Physics 2024-07-30 Mauro Fava , Emma McCabe , Aldo H. Romero , Eric Bousquet

The concept of chirality makes ubiquitous appearance in nature. Particularly, both a structure and its collective excitations may acquire well defined chiralities. In this work, we reveal an intrinsic connection between the chiralities of a…

Materials Science · Physics 2024-05-21 Hao Chen , Weikang Wu , Jiaojiao Zhu , Weikang Gong , Weibo Gao , Shengyuan A. Yang , Lifa Zhang

In a multiphase transport model with the initial electric quadrupole moment, we studied and discussed the charge asymmetry ($A_{\rm ch}$) dependence of flow at varied kinematic windows in semi-central Au+Au collisions at $\sqrt{s_{\rm NN}}$…

High Energy Physics - Phenomenology · Physics 2019-12-25 Diyu Shen , Jinhui Chen , Guoliang Ma , Yu-Gang Ma , Qiye Shou , Song Zhang , Chen Zhong

In this Letter, we predict a structural phase transition unique to chiral crystals with screw symmetry. In chiral crystals, the phonon frequency renormalized by the electron-phonon coupling depends on the handedness of circular…

Strongly Correlated Electrons · Physics 2026-04-21 Shun Asano , Youichi Yanase

This paper presents a first-principle and global perspective of electromagnetic chirality. It follows for this purpose a bottom-up construction, from the description of chiral particles or metaparticles (microscopic scale), through the…

Optics · Physics 2019-04-05 Christophe Caloz , Ari Sihvola

Structured light offers a powerful approach to tailor light-matter interactions in quantum systems with chiral properties. While chirality has been extensively studied in passive platforms, the role of optical gain in controlling chiral…

Quantum Physics · Physics 2025-09-16 Mário G. Silveirinha , Daigo Oue