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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology



Thursday, 10 January 2008
(at 16:30 in room 115, Hallwachsstr. 3)
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Chiral graphene edges: Broken parity defeats fermion doubling

Grigory Tkachov


Max Planck Institute for the Physics of Complex Systems
  Germany  






I will discuss the connection between broken parity and the existence of chiral edge states at a generalized zigzag boundary. In agreement with recent STM measurements, the model predicts an asymmetric local density of states. We also find that in a ring the chiral edge states lead to anomalous persistent current exhibiting odd-integer flux quantization at finite temperatures.

Invited by G. Cuniberti and R. Gutierrez (nanoSeminar)

last modified: 2018.10.24 Mi
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