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Tuning anti-Klein to Klein tunneling in bilayer graphene

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Du, Renjun ; Liu, Ming-Hao ; Mohrmann, Jens ; Wu, Fan ; Krupke, Ralph ; Löhneysen, Hilbert v. ; Richter, Klaus ; Danneau, Romain
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PDF - Updated Version
arXiv PDF (13.02.2018)
PDF - Submitted Version
arXiv PDF (21.03.2017)
Date of publication of this fulltext: 03 May 2018 07:36


We show that in gapped bilayer graphene, quasiparticle tunneling and the corresponding Berry phase can be controlled such that it exhibits features of single layer graphene such as Klein tunneling. The Berry phase is detected by a high-quality Fabry-Pérot interferometer based on bilayer graphene. By raising the Fermi energy of the charge carriers, we find that the Berry phase can be continuously ...


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