Comment on "Probing vortex unbinding via dipole fluctuations"
S. E. Korshunov
Abstract
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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