Magnetic chirality

Abstract Chirality with all broken mirror symmetries matters ubiquitously from DNA functionality, vine climbing, to the piezoelectricity of quartz crystals. Magnetic chirality means chirality in spin-ordered states or (atomic-scale or mesoscopic) spin textures. Magnetic chirality does not change wit...

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Main Authors: Sang-Wook Cheong, Xianghan Xu
Format: Article
Language:English
Published: Nature Portfolio 2022-04-01
Series:npj Quantum Materials
Online Access:https://doi.org/10.1038/s41535-022-00447-5
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author Sang-Wook Cheong
Xianghan Xu
author_facet Sang-Wook Cheong
Xianghan Xu
author_sort Sang-Wook Cheong
collection DOAJ
description Abstract Chirality with all broken mirror symmetries matters ubiquitously from DNA functionality, vine climbing, to the piezoelectricity of quartz crystals. Magnetic chirality means chirality in spin-ordered states or (atomic-scale or mesoscopic) spin textures. Magnetic chirality does not change with time-reversal operation, and chirality prime ( $${\mathcal{C}}^\prime$$ C ′ ) means that time-reversal symmetry in addition to all mirror symmetries is broken with free spatial rotations. We will discuss a few examples of magnetic chirality and $${\mathcal{C}}^\prime$$ C ′ , and their emergent physical properties. Some of these exotic properties have been recently observed, and many of them need to be experimentally confirmed.
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spelling doaj.art-29ad6983bf764417a680d5cff6b1b6992022-12-21T17:57:38ZengNature Portfolionpj Quantum Materials2397-46482022-04-01711610.1038/s41535-022-00447-5Magnetic chiralitySang-Wook Cheong0Xianghan Xu1Rutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers UniversityRutgers Center for Emergent Materials and Department of Physics and Astronomy, Rutgers UniversityAbstract Chirality with all broken mirror symmetries matters ubiquitously from DNA functionality, vine climbing, to the piezoelectricity of quartz crystals. Magnetic chirality means chirality in spin-ordered states or (atomic-scale or mesoscopic) spin textures. Magnetic chirality does not change with time-reversal operation, and chirality prime ( $${\mathcal{C}}^\prime$$ C ′ ) means that time-reversal symmetry in addition to all mirror symmetries is broken with free spatial rotations. We will discuss a few examples of magnetic chirality and $${\mathcal{C}}^\prime$$ C ′ , and their emergent physical properties. Some of these exotic properties have been recently observed, and many of them need to be experimentally confirmed.https://doi.org/10.1038/s41535-022-00447-5
spellingShingle Sang-Wook Cheong
Xianghan Xu
Magnetic chirality
npj Quantum Materials
title Magnetic chirality
title_full Magnetic chirality
title_fullStr Magnetic chirality
title_full_unstemmed Magnetic chirality
title_short Magnetic chirality
title_sort magnetic chirality
url https://doi.org/10.1038/s41535-022-00447-5
work_keys_str_mv AT sangwookcheong magneticchirality
AT xianghanxu magneticchirality