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

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. Graphene on the edge In the se...

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Veröffentlicht in:	Nature (London) 2014-01, Vol.505 (7484), p.528-532
Hauptverfasser:	Young, A. F., Sanchez-Yamagishi, J. D., Hunt, B., Choi, S. H., Watanabe, K., Taniguchi, T., Ashoori, R. C., Jarillo-Herrero, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	639/766/119/2792 639/766/119/995 639/925/918/1052 Atomic properties Bias Electrical conductivity Electron transport Graphene Humanities and Social Sciences letter Magnetic fields multidisciplinary Neutrality Properties Quantum Hall effect Science Structure Symmetry Symmetry (Physics)
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