Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The intrinsic degree of freedom for quasiparticle in thermodynamics with
  medium effects   The thermodynamics with medium effects expressed by the temperature- and
density-dependent effective mass of quasiparticle is studied. Series
difficulties and many wrangles in references due to the extraordinary parameter
dependence are addressed. A new independent intrinsic degree of freedom of
quasiparticle $m^*$ in the equation of reversible process is introduced to
clear the ambiguity. We prove all results are self-consistent.

0
The categories of this paper are: hep-ph
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
25
The categories of this paper are: patt-sol
10
The categories of this paper are: q-bio
3
The categories of this paper are: physics
32
The categories of this paper are: atom-ph
13
The categories of this paper are: quant-ph
2
The categories of this paper are: math
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
17
The categories of this paper are: q-fin