Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Relativistic Mean Field Models at High Densities   The effects of vector-isovector terms predicted by relativistic mean field
models based on effective field theory on the equation of state and the
neutrino mean free path in neutron stars have been studied. Using a procedure
similar to Ref. [1] in treating the isovector sector, a parameter set (G2*)
that predicts a much smaller proton fraction than the standard one (G2) can be
obtained. We found that the G2* has a softer equation of state compared to the
G2 at higher densities and the disappearance of the anomalous behavior of the
neutrino mean free path in neutron star does not depend on the proton fraction.

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The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: chao-dyn
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The categories of this paper are: acc-phys
21
The categories of this paper are: adap-org
2
The categories of this paper are: math
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
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The categories of this paper are: atom-ph
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The categories of this paper are: supr-con
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The categories of this paper are: nlin
11
The categories of this paper are: hep-lat