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Modelling two-dimensional chiral materials is a challenging problem in continuum mechanics because three-dimensional theories reduced to isotropic two-dimensional problems become non-chiral. Various approaches have been suggested to…

数学物理 · 物理学 2018-05-01 Sebastian Bahamonde , Christian G. Boehmer , Patrizio Neff

We demonstrate a general route to making active, odd elastic solids from passive chiral elements that can act as sources of mechanical work by violating static equilibrium without internal sources of energy or momentum. We further…

应用物理 · 物理学 2021-09-13 Mohamed Shaat , Harold S. Park

It is well-known that many three-dimensional chiral material models become non-chiral when reduced to two dimensions. Chiral properties of the two-dimensional model can then be restored by adding appropriate two-dimensional chiral terms. In…

数学物理 · 物理学 2020-06-15 Christian G. Boehmer , Yongjo Lee , Patrizio Neff

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…

材料科学 · 物理学 2024-05-21 Hao Chen , Weikang Wu , Jiaojiao Zhu , Weikang Gong , Weibo Gao , Shengyuan A. Yang , Lifa Zhang

We utilize the chiral kinetic theory in a relaxation-time approximation to investigate the nonlinear anomalous responses of chiral fluids with viscous effects. Unlike the cases in equilibrium, it is found that the chiral magnetic effect and…

高能物理 - 理论 · 物理学 2018-08-01 Yoshimasa Hidaka , Di-Lun Yang

We use continuum theory to show that chirality is a key thermodynamic control parameter for the aggregation of biopolymers: chirality produces a stable disperse phase of hexagonal bundles under moderately poor solvent conditions, as has…

软凝聚态物质 · 物理学 2009-11-13 Gregory M. Grason , Robijn F. Bruinsma

Chirality, a fundamental concept describing an object cannot superpose with its mirror image, is crucial in optics and photonics and leads to various exotic phenomena, such as circular dichroism, and optical activity. Recent findings reveal…

光学 · 物理学 2025-01-13 Shijie Kang , Haitao Li , Jiayu Fan , Jiusi Yu , Boyang Qu , Peng Chen , Xiaoxiao Wu

The linear band crossings of 3D Dirac and Weyl semimetals are characterized by a charge chirality, the parallel or anti-parallel locking of electron spin to its momentum. Such materials are believed to exhibit a ${\bf E} \cdot {\bf B}$…

材料科学 · 物理学 2021-06-01 Bing Cheng , Timo Schumann , Susanne Stemmer , N. P. Armitage

The chiral magnetic effect is a phenomenon where an electromagnetic current is generated along a magnetic field. Recently, in nonequilibrium systems, negative longitudinal magnetoresistance has been observed experimentally in Dirac/Weyl…

介观与纳米尺度物理 · 物理学 2017-04-18 Yohei Ibe , Hiroaki Sumiyoshi

Two novel chiral block lattice topologies are here conceived having interesting auxetic and acoustic behavior. The architectured chiral material is made up of a periodic repetition of square or hexagonal rigid and heavy blocks connected by…

应用物理 · 物理学 2020-06-02 Andrea Bacigalupo , Luigi Gambarotta

Micropolar fluid theory, an extension of classical Newtonian fluid dynamics, incorporates angular velocities and rotational inertias and has long been a foundational framework for describing granular flows. We propose a macroscopic model of…

软凝聚态物质 · 物理学 2025-12-01 Jarosław Pawłowski , Marcin Dudziak , Matteo Baggioli , Jie Zhang , Piotr Surówka

Chiral active materials display odd dynamical effects in both their elastic and viscous responses. We show that the most symmetric mesophase with two-dimensional odd elasticity in three dimensions is chiral, polar and columnar, with…

软凝聚态物质 · 物理学 2025-01-03 S. J. Kole , Gareth P. Alexander , Ananyo Maitra , Sriram Ramaswamy

Two-dimensional hexagonal and oblique lattices were investigated theoretically with the aim of observing differences in the spin expectation values between chiral and achiral systems. The spinresolved band structures were derived from the…

介观与纳米尺度物理 · 物理学 2018-06-19 N. K. Lewis , P. J. Durham , W. R. Flavell , E. A. Seddon

We investigate the chiral magnetic effect by lattice QCD with a chiral chemical potential. In a chirally imbalanced matter, we obtain a finite induced current along an external magnetic field. We analyze the dependence on the lattice…

高能物理 - 格点 · 物理学 2011-12-21 Arata Yamamoto

We investigate the statistical mechanics of chirality and biaxiality in liquid crystals through a variety of theoretical approaches, including Monte Carlo simulations, lattice mean-field theory, and Landau theory. All of these calculations…

软凝聚态物质 · 物理学 2011-11-04 Subas Dhakal , Jonathan V. Selinger

The non-linear generalization of the Hall effect has recently gained much attention, with a rapidly growing list of non-centrosymmetric materials that display higher-order Hall responses under time-reversal invariant conditions. The…

材料科学 · 物理学 2024-07-26 Nesta Benno Joseph , Arka Bandyopadhyay , Awadhesh Narayan

Chirality is a pervasive property of matter that underpins many important phenomena across physics, chemistry and biology. Given its broad significance, the development of protocols for rational control of chirality in solid state systems…

材料科学 · 物理学 2025-10-27 Z. Zeng , M. Först , M. Fechner , X. Deng , A. Cavalleri , P. G. Radaelli

Active hydrodynamic theories are a powerful tool to study the emergent ordered phases of internally driven particles such as bird flocks, bacterial suspension and their artificial analogues. While theories of orientationally ordered phases…

软凝聚态物质 · 物理学 2019-03-06 Ananyo Maitra , Martin Lenz

The propagation of chirality across scales is a common but poorly understood phenomenon in soft matter. In this work, we use computer simulations to study chiral monolayer assemblies formed by hard rod-like colloidal particles in the…

软凝聚态物质 · 物理学 2022-12-01 Yawei Liu , Jared A. Wood , Achille Giacometti , Asaph Widmer-Cooper

We review recent progress on the lattice simulations of the chiral magnetic effect. There are two different approaches to analyze the chiral magnetic effect on the lattice. In one approach, the charge density distribution or the current…

高能物理 - 格点 · 物理学 2015-06-05 Arata Yamamoto
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