Majorana Gap Formation in the Anisotropic Kitaev Model with Ordered Flux Configuration

Fuente: arXiv
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Auteurs principaux: Hashimoto, Akihiro, Murakami, Yuta, Koga, Akihisa
Format: Preprint
Publié: 2023
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author Hashimoto, Akihiro
Murakami, Yuta
Koga, Akihisa
author_facet Hashimoto, Akihiro
Murakami, Yuta
Koga, Akihisa
contents We study the Kitaev model with direction dependent interactions to investigate how the flux configuration and/or the anisotropy in the exchanges affect the Majorana excitations. Systematic numerical calculations demonstrate how the anisotropy of the exchange couplings and flux configuration make the Majorana excitation gapped. The induced gapped quantum spin liquid states are distinct from the gapped one realized in the large anisotropic limit. The nature of gapped states can be explained by the superlattice potential due to flux configuration.
format Preprint
id arxiv_https___arxiv_org_abs_2303_04295
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Majorana Gap Formation in the Anisotropic Kitaev Model with Ordered Flux Configuration
Hashimoto, Akihiro
Murakami, Yuta
Koga, Akihisa
Strongly Correlated Electrons
We study the Kitaev model with direction dependent interactions to investigate how the flux configuration and/or the anisotropy in the exchanges affect the Majorana excitations. Systematic numerical calculations demonstrate how the anisotropy of the exchange couplings and flux configuration make the Majorana excitation gapped. The induced gapped quantum spin liquid states are distinct from the gapped one realized in the large anisotropic limit. The nature of gapped states can be explained by the superlattice potential due to flux configuration.
title Majorana Gap Formation in the Anisotropic Kitaev Model with Ordered Flux Configuration
topic Strongly Correlated Electrons
url https://arxiv.org/abs/2303.04295