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.
This is a preview of subscription content, log in via an institution to check access.
References
Josephson, B. D. Phys. Lett. 1, 251–253 (1962).
Li, C. et al. Nat. Mater. https://doi.org/10.1038/s41563-018-0158-6 (2018).
Kitaev, A. Y. Phys. Usp. 44, 131–136 (2001).
Fu, L. & Kane, C. L. Phys. Rev. Lett. 100, 096407 (2008).
Sau, J. D., Lutchyn, R. M., Tewari, S. & Das Sarma, S. Phys. Rev. Lett. 104, 040502 (2010).
Alicea, J., Oreg, Y., Refael, G., von Oppen, F. & Fisher, M. P. A. Nat. Phys. 7, 412–417 (2011).
Zhang, F. & Kane, C. L. Phys. Rev. Lett. 113, 036401 (2014).
Shapiro, S. Phys. Rev. Lett. 11, 80–82 (1963).
Jiang, L. et al. Phys. Rev. Lett. 107, 236401 (2011).
Bocquillon, E. et al. Nat. Nanotech. 12, 137–143 (2017).
Rokhinson, L. P., Liu, X. & Furdyna, J. K. Nat. Phys. 8, 795–799 (2012).
Wiedenmann, J. et al. Nat. Commun. 7, 10303 (2016).
Yu, W. et al. Phys. Rev. Lett. 120, 177704 (2018).
Zhang, F. & Kane, C. L. Phys. Rev. B 90, 020501(R) (2014).
Wu, L. et al. Nat. Phys. 9, 410–414 (2013).
Wu, S. et al. Science 359, 76–79 (2018).
Author information
Authors and Affiliations
Corresponding authors
Rights and permissions
About this article
Cite this article
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
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41563-018-0179-1
- Springer Nature Limited