Temperature Dependence of the Magnetic Susceptibility of the Spin 1/2 Antiferromagnetic XXZ Model on a Square Lattice

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概要

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• The magnetic susceptibility of the XXZ model is studied over a wide temperature range by the Green's function method with the Kondo-Yamaji decoupling scheme. By this method it is possible that both XY- and Ising-like systems are studied in a unified way. In the XY-like system, our results of the transverse uniform susceptibility agree with those of a Monte-Carlo simulation. In the Ising-like system, our temperature dependence of the longitudinal uniform susceptibility agrees well with the experimental results of the susceptibility of quasi-2D Ising-like antiferromagnet K2CoF4 above its Néel point.

• Physical Society of Japanの論文
• 1996-01-15

著者

• Fukumoto Yoshiyuki

  Science University of Tokyo, Noda, Chiba 278

• Oguchi Akihide

  Science University of Tokyo, Noda, Chiba 278

関連論文

• Temperature Dependence of the Magnetic Susceptibility of the Spin 1/2 Antiferromagnetic XXZ Model on a Square Lattice

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