Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Deconfinement phase transition in hybrid neutron stars from the
  Brueckner theory with three-body forces and a quark model with chiral mass
  scaling   We study the properties of strange quark matter in equilibrium with normal
nuclear matter. Instead of using the conventional bag model in quark sector, we
achieve the confinement by a density-dependent quark mass derived from
in-medium chiral condensates. In nuclear matter, we adopt the equation of state
from the Brueckner-Bethe-Goldstone approach with three-body forces. It is found
that the mixed phase can occur, for a reasonable confinement parameter, near
the normal nuclear saturation density, and goes over into pure quark matter at
about 5 times the saturation. The onset of mixed and quark phases is compatible
with the observed class of low-mass neutron stars, but it hinders the
occurrence of kaon condensation.

3
The categories of this paper are: physics
36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
1
The categories of this paper are: cs
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
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The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom