Classical Spin Liquid or Extended Critical Range in h-YMnO3?
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Neutron spectroscopy on the classical triangular-lattice frustrated antiferromagnet h-YMnO3 reveals diffuse, gapless magnetic excitations present both far below and above the ordering temperature. The correlation length of the excitations increases as the temperature approaches zero, bearing a strong resemblance to critical scattering. We model the dynamics in the ordered and correlated disordered phase as critical spin correlations in a two-dimensional magnetic state. We propose that our findings may provide a general framework to understand features often attributed to classical spin liquids.
Original language | English |
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Article number | 107203 |
Journal | Physical Review Letters |
Volume | 126 |
Issue number | 10 |
Number of pages | 6 |
ISSN | 0031-9007 |
DOIs | |
Publication status | Published - 11 Mar 2021 |
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