Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The influence of the Kerr effect in Mott insulator to superfluid
  transition from the point of view of the Jaynes-Cummings-Hubbard model   We have studied the Jaynes-Cummings-Hubbard model for a chain with the Kerr
effect (nonlinear optical effect) through fermionic approximation. We have
observed that the Kerr effec does not cause major changes in the energy
spectrum. However, the phase transition properties from Mott insulator to
superfluid undergoes significant changes due to the Kerr effect.

28
The categories of this paper are: alg-geom
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
32
The categories of this paper are: atom-ph
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
18
The categories of this paper are: econ
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
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The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg