Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Extension of time-dependent Hartree-Fock-Bogoliubov equations   An extension of the time-dependent Hartree-Fock-Bogoliubov theory (ETDHFB)
which includes higher-order effects such as screening of the pairing
correlation is proposed. ETDHFB is applied to a fermion system trapped in a
harmonic potential to test its feasability by comparison with the exact
solution. With the use of perturbative expressions for the pairing tensor and
the two-body density matrix derived from ETDHFB, the screening effect is
investigated for atomic fermion systems and isotopes of tin nuclei. It is found
that the screening effect on the pairing correlation is not significant.

16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
32
The categories of this paper are: atom-ph
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph