Janas, S.
, Lass, J.
, Tutueanu, A.
, Haubro, M.
, Niedermayer, C.
, Stuhr, U.
, Xu, G.
, Prabhakaran, D.
, Deen, P.
, Holm-Dahlin, S.
and Lefmann, K.
(2021),
Classical Spin Liquid or Extended Critical Range in h-YMnO<sub>3</sub>?, Physical Review Letters
(Accessed October 10, 2025)
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Classical Spin Liquid or Extended Critical Range in h-YMnO3?
Published
Author(s)
Sofie Janas, Jakob Lass, Ana-Elena Tutueanu, Morten L. Haubro, Christof Niedermayer, Uwe Stuhr, , Dharmalingam Prabhakaran, Pascale P. Deen, Sonja Holm-Dahlin, Kim Lefmann
Abstract
Inelastic neutron experiments on the classical triangular-lattice frustrated antiferromagnet h-YMnO3 reveal diffuse, gapless magnetic excitations present both far below and far above the ordering temperature, TN. The correlation length of the excitations increases as the temperature approaches zero, bearing strong resemblance to critical scattering. We successfully model the scattering as critical spin-spin correlations in a two-dimensional magnetic ground state, and we speculate that this may provide a general framework to understand features typically attributed to classical spin liquids.Citation
Physical Review Letters
Volume
126
Issue
10
Pub Type
Journals
Keywords
spin liquid, neutron scattering, triangular lattice, frustration
Citation
Issues
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Created March 10, 2021, Updated August 31, 2021