Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Localized plasmons in bilayer graphene nanodisks   We study localized plasmonic excitations in bilayer graphene (BLG) nanodisks,
comparing AA-stacked and AB-stacked BLG and contrasting the results to the case
of two monolayers without electronic hybridization. The electrodynamic response
of the BLG electron gas is described in terms of a spatially homogeneous
surface conductivity, and an efficient alternative two-dimensional
electrostatic approach is employed to carry out all the numerical calculations
of plasmon resonances. Due to a unique electronic band structures, the
resonance frequency of the traditional dipolar plasmonic mode in the AA-stacked
BLG nanodisk is roughly doping independent in the low-doping regime, while the
mode is highly damped as the Fermi level approaches the interlayer hopping
energy $\gamma$ associated with tunneling of electrons between the two layers.
In addition to the traditional dipolar mode, we find that the AB-stacked BLG
nanodisk also hosts a new plasmonic mode with energy larger than $\gamma$. This
mode can be tuned by either the doping level or structural size, and
furthermore, this mode can dominate the plasmonic response for realistic
structural conditions.

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The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
18
The categories of this paper are: econ
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
32
The categories of this paper are: atom-ph
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The categories of this paper are: eess
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The categories of this paper are: adap-org
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The categories of this paper are: alg-geom
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The categories of this paper are: comp-gas