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Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state

Author

Listed:
  • A. F. Young

    (Massachusetts Institute of Technology)

  • J. D. Sanchez-Yamagishi

    (Massachusetts Institute of Technology)

  • B. Hunt

    (Massachusetts Institute of Technology)

  • S. H. Choi

    (Massachusetts Institute of Technology)

  • K. Watanabe

    (Advanced Materials Laboratory, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan)

  • T. Taniguchi

    (Advanced Materials Laboratory, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan)

  • R. C. Ashoori

    (Massachusetts Institute of Technology)

  • P. Jarillo-Herrero

    (Massachusetts Institute of Technology)

Abstract

Applying a very large magnetic field to charge-neutral monolayer graphene produces a symmetry-protected quantum spin Hall state with helical edge states whose properties can be modulated by balancing the applied field against an intrinsic antiferromagnetic instability.

Suggested Citation

  • A. F. Young & J. D. Sanchez-Yamagishi & B. Hunt & S. H. Choi & K. Watanabe & T. Taniguchi & R. C. Ashoori & P. Jarillo-Herrero, 2014. "Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state," Nature, Nature, vol. 505(7484), pages 528-532, January.
    • Handle: RePEc:nat:nature:v:505:y:2014:i:7484:d:10.1038_nature12800
    DOI: 10.1038/nature12800
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    Cited by:

    1. Ravi Kumar & Saurabh Kumar Srivastav & Ujjal Roy & Jinhong Park & Christian Spånslätt & K. Watanabe & T. Taniguchi & Yuval Gefen & Alexander D. Mirlin & Anindya Das, 2024. "Electrical noise spectroscopy of magnons in a quantum Hall ferromagnet," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Prasanna Rout & Nikos Papadopoulos & Fernando Peñaranda & Kenji Watanabe & Takashi Taniguchi & Elsa Prada & Pablo San-Jose & Srijit Goswami, 2024. "Supercurrent mediated by helical edge modes in bilayer graphene," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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