Transverse electric plasmons in bilayer graphene
Marinko Jablan, Hrvoje Buljan, Marin Solja\v{c}i\'c
TL;DR
This paper predicts the existence of transverse electric plasmons in bilayer graphene, showing they are more localized and prominent than in monolayer graphene due to band nesting effects.
Contribution
It introduces the prediction of TE plasmons in bilayer graphene and highlights their enhanced localization and properties compared to monolayer graphene.
Findings
TE plasmons exist in bilayer graphene
Plasmon localization is enhanced in bilayer graphene
Frequency of plasmons is just below 0.4 eV for certain doping
Abstract
We predict the existence of transverse electric (TE) plasmons in bilayer graphene. We find that their plasmonic properties are much more pronounced in bilayer than in monolayer graphene, in a sense that they can get more localized at frequencies just below ~eV for adequate doping values. This is a consequence of the perfectly nested bands in bilayer graphene which are separated by ~eV.
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