Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Optomechanical Dirac Physics   Recent progress in optomechanical systems may soon allow the realization of
optomechanical arrays, i.e. periodic arrangements of interacting optical and
vibrational modes. We show that photons and phonons on a honeycomb lattice will
produce an optically tunable Dirac-type band structure. Transport in such a
system can exhibit transmission through an optically created barrier, similar
to Klein tunneling, but with interconversion between light and sound. In
addition, edge states at the sample boundaries are dispersive and enable
controlled propagation of photon-phonon polaritons.

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The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
31
The categories of this paper are: ao-sci
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
20
The categories of this paper are: acc-phys
33
The categories of this paper are: plasm-ph
6
The categories of this paper are: astro-ph