Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Thermophysical properties of liquid carbon dioxide under shock
  compressions: Quantum molecular dynamic simulations   Quantum molecular dynamic simulations are introduced to study the dynamical,
electrical, and optical properties of carbon dioxide under dynamic
compressions. The principal Hugoniot derived from the calculated equation of
states is demonstrated to be well accordant with experimental results.
Molecular dissociation and recombination are investigated through pair
correlation functions, and decomposition of carbon dioxide is found to be
between 40 and 50 GPa along the Hugoniot, where nonmetal-metal transition is
observed. In addition, the optical properties of shock compressed carbon
dioxide are also theoretically predicted along the Hugoniot.

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The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
6
The categories of this paper are: astro-ph
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
3
The categories of this paper are: physics
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con