Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Duffin-Kemmer-Petiau particle in a vector exponential-like decaying
  field with any arbitrary -state   The Duffin Kemmer Petiau (DKP) equation is solved approximately for a vector
exponential-like decaying potential with any arbitrary J state by using the
Pekeris approximation. The generalized parametric Nikiforov-Uvarov (NU) method
is used to obtain energy eigenvalues and corresponding wave functions in a
closed form. The cases of zero total angular momentum and nonrelativistic limit
are discussed too.

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The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
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The categories of this paper are: plasm-ph
3
The categories of this paper are: physics
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The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
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The categories of this paper are: hep-lat
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The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
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The categories of this paper are: q-alg
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The categories of this paper are: nlin
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The categories of this paper are: acc-phys
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The categories of this paper are: funct-an
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The categories of this paper are: hep-th
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The categories of this paper are: astro-ph
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The categories of this paper are: atom-ph