Heisenberg antiferromagnets with uniaxial exchange and cubic anisotropies in a field

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 bicon...

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Veröffentlicht in:	The European physical journal. B, Condensed matter physics Condensed matter physics, 2009-06, Vol.69 (3), p.439-444
Hauptverfasser:	Bannasch, G., Selke, W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Classical spin models Complex Systems Condensed Matter Physics Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Fluid- and Aerodynamics General theory and models of magnetic ordering Magnetic properties and materials Physics Physics and Astronomy Solid State Physics Statistical and Nonlinear Physics
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Zusammenfassung:	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.
ISSN:	1434-6028 1434-6036
DOI:	10.1140/epjb/e2009-00171-x