Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: High mode magnetohydrodynamic waves propagation in a twisted rotating
  jet emerging from a filament eruption   We study the conditions under which high mode magnetohydrodynamic (MHD) waves
propagating on a rotating jet emerging from the filament eruption on 2013 April
10--11 can became unstable against the Kelvin--Helmholtz instability (KHI). The
evolution of jet indicates the blob like structure at its boundary which could
be one of the observable features of the KHI development. We model the jet as a
twisted rotating axially moving magnetic flux tube and explore the propagation
characteristics of the running MHD modes on the basis of dispersion relations
derived in the framework of the ideal magnetohydrodynamics. It is established
that unstable MHD waves with wavelengths in the range of $12$--$15$~Mm and
instability developing times from $1.5$ to $2.6$~min can be detected at the
excitation of high mode MHD waves. The magnitude of the azimuthal mode number
$m$ crucially depends upon the twist of the internal magnetic field. It is
found that at slightly twisted magnetic flux tube the appropriate azimuthal
mode number is $m = 16$ while in the case of a moderately twisted flux tube it
is equal to $18$.

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The categories of this paper are: quant-ph
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The categories of this paper are: stat
11
The categories of this paper are: hep-lat
35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys
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The categories of this paper are: eess
26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics