Frustration in spin systems can emerge geometrically in the absence of intrinsic energetic degeneracy — a topologically induced state that can be visualized in terms of a lattice walk. Now, evidence confirms that the exotic 'shakti' lattice gives rise to such a topology.
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Stamps, R. The unhappy wanderer. Nature Phys 10, 623–624 (2014). https://doi.org/10.1038/nphys3072
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DOI: https://doi.org/10.1038/nphys3072
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