Emergent cross-product-type spin-orbit coupling under ferroaxial ordering

Fuente: arXiv
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Main Authors: Inda, Akane, Hayami, Satoru
Format: Preprint
Published: 2024
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author Inda, Akane
Hayami, Satoru
author_facet Inda, Akane
Hayami, Satoru
contents A ferroic alignment of a time-reversal-even axial vector, which is called the ferroaxial ordered state, is identified by the spontaneous rotational distortion of the lattice structure to break the vertical mirror symmetry. We theoretically investigate what happens in the electronic structure once the ferroaxial ordering occurs by analyzing a tetragonal d-p cluster model with transition metal oxide in mind. By adopting the symmetry-adapted multipole representation, we elucidate the emergent cross-product form of the spin-orbit coupling by the interplay between the atomic spin-orbit coupling and the d-p hybridization according to the vertical mirror symmetry breaking, which corresponds to the electronic order parameter of the ferroaxial ordering.
format Preprint
id arxiv_https___arxiv_org_abs_2410_21729
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Emergent cross-product-type spin-orbit coupling under ferroaxial ordering
Inda, Akane
Hayami, Satoru
Strongly Correlated Electrons
A ferroic alignment of a time-reversal-even axial vector, which is called the ferroaxial ordered state, is identified by the spontaneous rotational distortion of the lattice structure to break the vertical mirror symmetry. We theoretically investigate what happens in the electronic structure once the ferroaxial ordering occurs by analyzing a tetragonal d-p cluster model with transition metal oxide in mind. By adopting the symmetry-adapted multipole representation, we elucidate the emergent cross-product form of the spin-orbit coupling by the interplay between the atomic spin-orbit coupling and the d-p hybridization according to the vertical mirror symmetry breaking, which corresponds to the electronic order parameter of the ferroaxial ordering.
title Emergent cross-product-type spin-orbit coupling under ferroaxial ordering
topic Strongly Correlated Electrons
url https://arxiv.org/abs/2410.21729