Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: BFV-BRST Quantization of the Proca Model based on the Batalin-Tyutin
  formalism   We apply the Batalin-Tyutin Hamiltonian method to the Abelian Proca model in
order to convert a second class constraint system into a first class one
systematically by introducing the new fields. Then, according to the BFV
formalism we obtain that the desired resulting Lagrangian preserving standard
BRST symmetry naturally includes the well-known St\"ukelberg scalar related to
the explicit gauge-breaking effect due to the presence of the mass term.
Furthermore, we also discuss the nonlocal symmetry structure of this model in
the context of the nonstandard BRST symmetry.

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The categories of this paper are: q-fin
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The categories of this paper are: hep-ph
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The categories of this paper are: econ
34
The categories of this paper are: chem-ph
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The categories of this paper are: math-ph
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The categories of this paper are: funct-an
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The categories of this paper are: plasm-ph
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The categories of this paper are: supr-con
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The categories of this paper are: ao-sci
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The categories of this paper are: astro-ph
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The categories of this paper are: q-alg
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The categories of this paper are: eess
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The categories of this paper are: cond-mat
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The categories of this paper are: stat
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The categories of this paper are: gr-qc
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The categories of this paper are: nucl-ex