Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hydrodynamic Decay of Decorated Quantum Vortex Rings   The decay of quantum vortex rings in counterflow regimes, visualized in
Helium II with the help of solid hydrogen particles trapped to their cores, has
been a puzzling issue within the usual description of superfluid vortex
dynamics, grounded on the hypothesis that a vortex filament is, effectively, an
extended massless object subject to a canceling superposition of Magnus and
mutual friction forces. We discuss, from a general energy-budget point of view,
a phenomenological solution of this problem, which relies on viscous and
quantum dissipation mechanisms, the later associated to the backreaction of
vortex singular structures on the surrounding two-component fluid mixture.

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The categories of this paper are: supr-con
16
The categories of this paper are: stat
18
The categories of this paper are: econ
0
The categories of this paper are: hep-ph
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
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The categories of this paper are: eess
14
The categories of this paper are: math-ph
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The categories of this paper are: adap-org
33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
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The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
12
The categories of this paper are: nucl-th