Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on "Probing vortex unbinding via dipole fluctuations"   We demonstrate that the method suggested by Fertig and Straley [Phys. Rev. B
66, 201402 (2002)] for the identification of different phases in
two-dimensional XY models does not allow to make any unambiguous conclusions
and make a tentative proposal of another approach to this problem.

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The categories of this paper are: math-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: acc-phys
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
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The categories of this paper are: nlin
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The categories of this paper are: q-bio
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The categories of this paper are: adap-org
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The categories of this paper are: chao-dyn
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The categories of this paper are: cmp-lg
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The categories of this paper are: solv-int
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The categories of this paper are: econ
5
The categories of this paper are: gr-qc
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The categories of this paper are: dg-ga