Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Phase transitions in generalized chiral or Stiefel's models   We study the phase transition in generalized chiral or Stiefel's models using
Monte Carlo simulations. These models are characterized by a breakdown of
symmetry O(N)/O(N-P). We show that the phase transition is clearly first order
for N >= 3 when P=N and P=N-1, contrary to predictions based on the
Renormalization Group in 4-\epsilon expansion but in agreement with a recent
non perturbative Renormalization Group approach.

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The categories of this paper are: plasm-ph
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The categories of this paper are: nucl-th
5
The categories of this paper are: gr-qc
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
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The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: q-alg
1
The categories of this paper are: cs
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
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The categories of this paper are: supr-con
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The categories of this paper are: dg-ga
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The categories of this paper are: ao-sci