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cond-mat.stat-mech2009★ 1 cited
Classical and quantum anisotropic Heisenberg antiferromagnets
W. Selke, G. Bannasch, M. Holtschneider +3
We study classical and quantum Heisenberg antiferromagnets with exchange anisotropy of XXZ-type and crystal field single-ion terms of quadratic and cubic form in a field. The magne…
cond-mat.stat-mech2008
Uniaxially anisotropic antiferromagnets in a field along the easy axis
W. Selke, M. Holtschneider, R. Leidl +2
Uniaxially anisotropic antiferromagnets in a field along the easy axis are studied with the help of ground state considerations and Monte Carlo simulations. For classical models, t…
cond-mat.stat-mech2007★ 26 cited
Classical and quantum two-dimensional anisotropic Heisenberg antiferromagnets
M. Holtschneider, S. Wessel, W. Selke
The classical and the quantum, spin $S=1/2, versions of the uniaxially anisotropic Heisenberg antiferromagnet on a square lattice in a field parallel to the easy axis are studied u…