High-Temperature Expansion of the Free Energy in the Two-Dimensional XY Model(Condensed Matter and Statistical Physics)

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概要

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• We extend the high-temperature series of the free energy for the XY model in two dimensions to order β^<48> from the previous order of β^<22> by applying an improved algorithm of the finite lattice method. The long series obtained allows us to conclude that the behavior of the free energy is consistent to high accuracy with what is expected when the phase transition of the model is of the Kosterlitz-Thouless type.

• 理論物理学刊行会の論文
• 2007-11-25

著者

• Arisue Hiroaki

  Osaka Prefectural College Of Technology

関連論文

• Variational Investigation of the Mass Spectrum in 2+1 Dimensional SU(2) Lattice Gauge Theory : Particles and Fields
• High-Temperature Expansion of the Free Energy in the Two-Dimensional XY Model(Condensed Matter and Statistical Physics)

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