Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3431618
Keywords
Aharonov-Bohm effect; Brillouin zones; Dirac equation; graphene
Categories
Funding
- CNPq [555183/2005-0]
- FUNCAP
- CAPES
- Bilateral
- Belgian Science Policy (IAP)
- Flemish Science Foundation (FWO-Vl)
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We find localized electron and hole states in a ring-shaped potential kink in biased bilayer graphene. Within the continuum description, we show that for sharp potential steps the Dirac equation describing carrier states close to the K (or K') point of the first Brillouin zone can be solved analytically for a circular kink/antikink dot. The solutions exhibit interfacial states which exhibit Aharonov-Bohm oscillations as functions of the height of the potential step and/or the radius of the ring. (C) 2010 American Institute of Physics. [doi:10.1063/1.3431618]
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