Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Thermal Conductivity in 3D NJL Model Under External Magnetic Field   The thermal conductivity of the (2+1)-dimensional NJL model in the presence
of a constant magnetic field is calculated in the mean-field approximation and
its different asymptotic regimes are analyzed. Taking into account the
dynamical generation of a fermion mass due to the magnetic catalysis
phenomenon, it is shown that for certain relations among the theory's
parameters (particle width, temperature and magnetic field), the profile of the
thermal conductivity versus the applied field exhibits kink- and plateau-like
behaviors. We point out possible applications to planar condensed matter.

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The categories of this paper are: dg-ga
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The categories of this paper are: supr-con
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The categories of this paper are: hep-th
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The categories of this paper are: hep-lat
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The categories of this paper are: nucl-th
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The categories of this paper are: mtrl-th
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The categories of this paper are: funct-an
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The categories of this paper are: bayes-an
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The categories of this paper are: astro-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: eess
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The categories of this paper are: comp-gas
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-bio
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The categories of this paper are: stat
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The categories of this paper are: alg-geom