Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Radiative Shift of the Quark Mass in a Constant Chromomagnetic Field at
  Finite Temperature and Density   The radiation shift of the quark mass in a constant chromomagnetic field at
finite temperature and density was calculated. The limiting cases of a weak and
a strong chromomagnetic field were considered. It was shown that in a strong
field there is no imaginary part in the contribution of the finite density
effects to the quark mass shift, and its real part can considerably exceed the
corresponding part of the purely field contribution.

34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
6
The categories of this paper are: astro-ph
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The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin