Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The energy-level statistics in the core of a vortex in a p-wave
  superconductor   In the presence of strong disorder, the statistics of quasiparticle levels in
the core of a vortex in a two-dimensional p-wave superconductor belongs to the
universality class B corresponding to the ensemble of orthogonal matrices in
odd dimensions. This novel universality class appears as a consequence of the
O(2) spin symmetry of p-wave pairing. It is preserved in the presence of random
disorder, of electromagnetic vector potential, and of an admixture of the
pairing of opposite chirality in the vortex core, but may be destroyed by
spin-orbit coupling and by Zeeman splitting.

7
The categories of this paper are: hep-th
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
21
The categories of this paper are: adap-org
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
32
The categories of this paper are: atom-ph