Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fully kinetic simulations of strong steady-state collisional planar
  plasma shocks   We report on the first steady-state simulations of strong plasma shocks with
fully kinetic ions and electrons, independently confirmed by two fully kinetic
codes (an Eulerian continuum and a Lagrangian particle-in-cell). While kinetic
electrons do not fundamentally change the shock structure as compared with
fluid electrons, we find an appreciable rearrangement of the preheat layer,
associated with nonlocal electron heat transport effects. The electron heat
flux profile qualitatively agrees between kinetic and fluid electron models,
suggesting a certain level of "stiffness", though substantial nonlocality is
observed in the kinetic heat flux. We also find good agreement with nonlocal
electron heat-flux closures proposed in the literature. Finally, in contrast to
the classical hydrodynamic picture, we find a significant collapse in the
"precursor" electric-field shock at the preheat layer edge, which correlates
with the electron-temperature gradient relaxation.

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The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
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The categories of this paper are: funct-an
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The categories of this paper are: hep-lat
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The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
32
The categories of this paper are: atom-ph
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The categories of this paper are: solv-int
35
The categories of this paper are: mtrl-th