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Graphene Rings in Magnetic Fields: Aharonov-Bohm Effect and Valley Splitting

Wurm, J and Wimmer, Michael and Baranger, H and Richter, Klaus (2010) Graphene Rings in Magnetic Fields: Aharonov-Bohm Effect and Valley Splitting. Semiconductor Science and Technology, Focus Issue on Graphene 25, 034003.

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Other URL: http://dx.doi.org/10.1088/0268-1242/25/3/034003, http://arxiv.org/abs/0904.3182


Abstract

We study the conductance of mesoscopic graphene rings in the presence of a perpendicular magnetic field by means of numerical calculations based on a tight-binding model. First, we consider the magnetoconductance of such rings and observe the Aharonov-Bohm effect. We investigate different regimes of the magnetic flux up to the quantum Hall regime, where the Aharonov-Bohm oscillations are ...

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Item Type:Article
Date:2010
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:Graduiertenkolleg Nichtlinearität und Nichtgleichgewicht, SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
0904.3182arXiv ID
10.1088/0268-1242/25/3/034003DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Timo Hartmann
Deposited On:25 May 2009 13:22
Last Modified:04 May 2010 12:29
Item ID:7973
Owner Only: item control page
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