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J. M. Kosterlitz, “The Critical Properties of the Two-Dimensional XY Model,” Journal of Physics C: Solid State Physics, Vol. 7, No. 6, 1974, pp. 1046-1060. doi:10.1088/0022-3719/7/6/005

has been cited by the following article:

• TITLE: Thermal Soliton Correlation Functions in Theories with a Z(N) Symmetry

  AUTHORS: Leonardo Mondaini

  KEYWORDS: Thermal Soliton Correlators; Z(N) Symmetry; Sine-Gordon Field Theory

  JOURNAL NAME: Journal of Modern Physics, Vol.3 No.11, November 28, 2012

  ABSTRACT: We show that the quantum solitons occurring in theories describing a complex scalar field in (1 + 1)-dimensions with a Z(N) symmetry may be identified with sine-Gordon quantum solitons in the phase of this field. Then using both the Euclidean thermal Green function of the two-dimensional free massless scalar field in coordinate space and its dual, we obtain an explicit series expression for the corresponding solitonic correlation function at finite temperature.