Fractional charges are one of the hallmarks of topological matter and the building blocks of various topological devices. Now, there are indications that their fingerprint in terms of electrical noise is less obvious, but more universal, than expected.
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Roddaro, S. Noisy fractions. Nat. Phys. 18, 1398–1399 (2022). https://doi.org/10.1038/s41567-022-01775-w
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DOI: https://doi.org/10.1038/s41567-022-01775-w