Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Baryonic matter in holographic QCD   We study baryons and baryonic matter in holographic QCD with $D4/D8/\bar{D8}$
multi-$D$ brane system. In large-$N_c$ holographic QCD, the baryon appears as a
topologically non-trivial chiral soliton, which is called ``brane-induced
Skyrmion''. We also analyze the features of the baryonic matter in holographic
QCD by investigating the system of single brane-induced Skyrmion on a
three-dimensional closed manifold $S^3$. We propose a new interesting picture
of ``pion dominance'' near the critical density.

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The categories of this paper are: cmp-lg
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The categories of this paper are: math-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: dg-ga
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The categories of this paper are: funct-an
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The categories of this paper are: solv-int
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The categories of this paper are: math
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The categories of this paper are: atom-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: plasm-ph
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The categories of this paper are: adap-org
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The categories of this paper are: nucl-th
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The categories of this paper are: alg-geom
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The categories of this paper are: econ