Hopes for a topological spin liquid phase in ruthenium trichloride have been previously raised by evidence of Majorana modes at the material’s edges. Transport and bulk thermodynamic measurements now strengthen the case for Majorana fermions.
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The authors declare no competing interests.
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Wolter, A.U.B., Hess, C. Spin liquid evidence at the edge and in bulk. Nat. Phys. 18, 378–379 (2022). https://doi.org/10.1038/s41567-022-01521-2