The quantum kagome lattice is a fundamental but experimentally elusive frustrated magnet. Neutron spectroscopy now reveals the ground state and elementary excitations of a deformed kagome lattice in which the quantum spins form an exotic pinwheel valence-bond state.
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Rüegg, C. A pinwheel without wind. Nature Phys 6, 837–838 (2010). https://doi.org/10.1038/nphys1844
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DOI: https://doi.org/10.1038/nphys1844
