FRACTIONAL JOSEPHSON EFFECT

A missing step is a key step

Physicists are searching for superconducting materials that can host Majoranas. New evidence for these elusive particles is provided by missing Shapiro steps in a Josephson effect mediated by an accidental Dirac semimetal.

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Fig. 1: The simplest fractional Josephson effect.

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Correspondence to Fan Zhang or Wei Pan.

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Zhang, F., Pan, W. A missing step is a key step. Nature Mater 17, 851–852 (2018). https://doi.org/10.1038/s41563-018-0179-1

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