Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The emergence of flagpole and flag-dipole fermions in fluid/gravity
  correspondence   The emergence of flagpole and flag-dipole singular spinor fields is explored,
in the context of fermionic sectors of fluid/gravity correspondence, arising
from the duality between the gravitino, in supergravity, and the phonino, in
supersymmetric hydrodynamics. Generalized black branes, whose particular case
consists of the AdS--Schwarzschild black brane, are regarded. The
correspondence between hydrodynamic transport coefficients, and the universal
absorption cross sections of the generalized black branes, is extended to
fermionic sectors, including supersound diffusion constants. A free parameter,
in the generalized black brane solution, is shown to control the flipping
between regular and singular fermionic solutions of the equations of motion for
the gravitino.

20
The categories of this paper are: acc-phys
37
The categories of this paper are: supr-con
1
The categories of this paper are: cs
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th
27
The categories of this paper are: comp-gas
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex