• DOI:10.1126/science.aax6361
Corpus ID: 209677626

Absence of evidence for chiral Majorana modes in quantum anomalous Hall-superconductor devices

@article{Kayyalha2020AbsenceOE,
  title={Absence of evidence for chiral Majorana modes in quantum anomalous Hall-superconductor devices},
  author={Morteza Kayyalha and Di Xiao and Ruoxi Zhang and Jaeho Shin and J. Jiang and F. Wang and Yifan Zhao and Run Xiao and Ling Zhang and K. Fijalkowski and Pankaj K. Mandal and M. Winnerlein and C. Gould and Qi Li and L. W. Molenkamp and M. Chan and N. Samarth and C. Chang},
  journal={Science},
  year={2020},
  volume={367},
  pages={64 - 67}
}

Morteza Kayyalha, Di Xiao, +15 authors C. Chang

Published 2020

Physics, Medicine

Science

Looking for chiral Majoranas Chiral Majorana modes have been predicted to exist in heterostructures consisting of a quantum anomalous Hall insulator and a superconductor. Kayyalha et al. fabricated more than 30 such samples and used transport measurements to look for signatures of the Majorana modes. The data indicated that the transport signatures previously thought to be associated with Majorana physics could, in their samples, be explained using a more mundane mechanism. Science, this issue… CONTINUE READING

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