Classical spin liquid or extended critical range in h-YMnO\(_3\)?
Inelastic neutron experiments on the classical triangular-lattice geometrically frustrated antiferromagnet h-YMnO\(_3\) reveal diffuse, gapless magnetic excitations present both below and far above the ordering temperature, \(T_N\). The correlation length of the excitations increases as the temperat...
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| creator | Janas, Sofie Lass, Jakob Ana-Elena Tutueanu Haubro, Morten L Niedermayer, Christof Stuhr, Uwe Xu, Guangyong Prabhakaran, Dharmalingam Deen, Pascale P Holm-Dahlin, Sonja Lefmann, Kim |
| description | Inelastic neutron experiments on the classical triangular-lattice geometrically frustrated antiferromagnet h-YMnO\(_3\) reveal diffuse, gapless magnetic excitations present both below and far above the ordering temperature, \(T_N\). The correlation length of the excitations increases as the temperature approaches zero, bearing strong resemblance to critical scattering. We 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. |
| doi_str_mv | 10.48550/arxiv.2006.03396 |
| format | Article |
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| subjects | Antiferromagnetism Excitation Neutrons Scattering Spin liquid Two dimensional models |
| title | Classical spin liquid or extended critical range in h-YMnO\(_3\)? |
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