Transmission and Goos-Hänchen like shifts through a graphene double barrier in an inhomogeneous magnetic field

Miloud Mekkaoui, Ahmed Jellal () and Hocine Bahlouli
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Miloud Mekkaoui: Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University
Ahmed Jellal: Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University
Hocine Bahlouli: Saudi Center for Theoretical Physics

The European Physical Journal B: Condensed Matter and Complex Systems, 2016, vol. 89, issue 1, 1-11

Abstract: Abstract We studied the transport properties of electrons in graphene as they are scattered by a double barrier potential in the presence of an inhomogeneous magnetic field. We computed the transmission coefficient and Goos-Hänchen like shifts for our system and noticed that transmission is not allowed for certain range of energies. In particular, we found that, in contrast to the electrostatic barriers, the magnetic barriers are able to confine Dirac fermions. We also established some correlation between the electronic transmission properties of Dirac fermions with the Goos-Hänchen like shifts, as reflected in the numerical data.

Keywords: Mesoscopic; and; Nanoscale; Systems (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1140/epjb/e2015-60729-5

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