Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Persistent cyclonic structures in self-similar turbulent flows   Invariance properties of a physical system govern its behavior: energy
conservation in turbulence drives a wide distribution of energy among modes, as
observed in geophysics, astrophysics and engineering. In hydrodynamic
turbulence, the role of helicity (which measures departures from mirror
symmetry) remains unclear since it does not alter this distribution. However,
the interplay of rotation and helicity leads to significant differences. Using
numerical simulations we show the occurence of long-lived laminar cyclonic
vortices together with turbulent vortices, reminiscent of recent tornado
observations. Furthermore, the small scales are completely self-similar with no
deviations from Gaussianity. This result points to the discovery of a small
parameter in rotating helical turbulence.

33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
11
The categories of this paper are: hep-lat
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
13
The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
23
The categories of this paper are: solv-int