Monte Carlo and spin wave studies of antiferromagnetic ordering in anisotropic Heisenberg systems

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Abstract

The Anisotropic Heisenberg antiferromagnet (AF), which is defined as a three-dimensional simple cubic lattice with in-plane AF interaction J and interplane J⊥== γJ is studied using low-T spin wave theory and Monte Carlo (MC) simulations. The dependence of the ground state properties and the Néel temperature TN on the anisotropy γ(0≤γ≤1) are obtained.

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