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Title:

Dynamics of a Two-Dimensional Quantum Spin-Orbital Liquid: Spectroscopic Signatures of Fermionic Magnons

Document type:
Zeitschriftenaufsatz
Author(s):
Natori, Willian M. H.; Knolle, Johannes
Abstract:
We provide an exact study of dynamical correlations for the quantum spin-orbital liquid phases of an SU(2)-symmetric Kitaev honeycomb lattice model. We show that the spin dynamics in this Kugel-Khomskii type model is exactly the density-density correlation function of S=1 fermionic magnons, which could be probed in resonant inelastic x-ray scattering experiments. We predict the characteristic signatures of spin-orbital fractionalization in inelastic scattering experiments and compare them to the...     »
Journal title:
Physical Review Letters 2020-08
Year:
2020
Journal volume:
125
Journal issue:
6
Fulltext / DOI:
doi:10.1103/physrevlett.125.067201
Publisher:
American Physical Society (APS)
E-ISSN:
0031-90071079-7114
Date of publication:
05.08.2020
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