Heisenberg antiferromagnets with uniaxial exchange and cubic anisotropies in a field |
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Authors: | G. Bannasch and W. Selke |
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Affiliation: | (1) Institut für Theoretische Physik, RWTH Aachen University, 52056 Aachen, Germany |
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Abstract: | Classical Heisenberg antiferromagnets with uniaxial exchange anisotropy and a cubic anisotropy term in a field on simple cubic lattices are studied with the help of ground state considerations and extensive Monte Carlo simulations. Especially, we analyze the role of non-collinear structures of biconical type occurring in addition to the well-known antiferromagnetic and spin-flop structures. Pertinent phase diagrams are determined, and compared to previous findings. |
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Keywords: | KeywordHeading" >PACS 75.10.Hk Classical spin models 75.40.Cx Static properties 05.10.Ln Monte Carlo methods |
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