Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Magnetically Controlling the Explosion of Dirac Fermions during the
  Oxidation of Graphene   The different physical properties of multilayered graphene or graphite
relative to single layer graphene result from the Dirac spins symmetry in
graphene and the Pauli spin symmetry in graphite. The Dirac symmetry in
multilayers of graphene (graphite) is hindered by interlayer interactions.
Different magnetizations, electronics and chemistry of graphite and graphene
follow from absence of interlayer interactions in graphene. The distinct
kinetics and dynamics of graphite and graphene by oxidation by the Hummer's
method in weak external magnetic field are observed in this work. Graphite
manifest enhanced non-explosive oxidation of Pauli spins in weak magnetic field
with background paramagnetic oxygen slowing the magnetic acceleration. Graphene
and graphite oxide manifest explosive oxidation and magnetically decelerated
explosive oxidation of Dirac spins in weak magnetic field for temperatures
below 20 oCelsius. The explosive oxidation of graphene and its deceleration in
weak external magnetic field are interpreted resulting from the giant
nonlocality and spin Hall Effect in the chemically reacting graphene. This is
the first identification, analysis and interpretation of the chemistry of the
Dirac spins and the magnetochemistry of relativistic electrons.

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The categories of this paper are: gr-qc
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The categories of this paper are: chao-dyn
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The categories of this paper are: adap-org
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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: hep-ph
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The categories of this paper are: supr-con
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The categories of this paper are: alg-geom
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The categories of this paper are: physics
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The categories of this paper are: q-bio
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The categories of this paper are: hep-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: funct-an
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The categories of this paper are: math-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: stat