Theory of quasiparticle interference in Kitaev quantum spin liquids

Fuente: arXiv
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Main Authors: Jahin, Ammar, Zhang, Hao, Halász, Gábor B., Lin, Shi-Zeng
Format: Preprint
Published: 2024
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author Jahin, Ammar
Zhang, Hao
Halász, Gábor B.
Lin, Shi-Zeng
author_facet Jahin, Ammar
Zhang, Hao
Halász, Gábor B.
Lin, Shi-Zeng
contents We study quasiparticle interference (QPI) in the Kitaev quantum spin liquid (QSL) for electrons tunneling into the QSL. The local tunneling conductance around a spin vacancy or localized vison reveals unique features associated with fractionalized Majorana fermions, chargons, and visons. In certain parameter regimes, the single-spinon density of states and momentum dispersion can both be directly extracted from the tunneling conductance. Our results suggest that QPI is a promising tool for identifying the Kitaev QSL and its fractionalized excitations.
format Preprint
id arxiv_https___arxiv_org_abs_2407_03415
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Theory of quasiparticle interference in Kitaev quantum spin liquids
Jahin, Ammar
Zhang, Hao
Halász, Gábor B.
Lin, Shi-Zeng
Strongly Correlated Electrons
We study quasiparticle interference (QPI) in the Kitaev quantum spin liquid (QSL) for electrons tunneling into the QSL. The local tunneling conductance around a spin vacancy or localized vison reveals unique features associated with fractionalized Majorana fermions, chargons, and visons. In certain parameter regimes, the single-spinon density of states and momentum dispersion can both be directly extracted from the tunneling conductance. Our results suggest that QPI is a promising tool for identifying the Kitaev QSL and its fractionalized excitations.
title Theory of quasiparticle interference in Kitaev quantum spin liquids
topic Strongly Correlated Electrons
url https://arxiv.org/abs/2407.03415