Heisenberg antiferromagnets with exchange and cubic anisotropies

Details Heisenberg antiferromagnets with exchange and cubic anisotropies Heisenberg antiferromagnets with exchange and cubic anisotropies

2009-07-23

arxiv.org/abs/0907.4173v1

J. Phys.: Conf. Ser. 200, 022057 (2010)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 5 figures, ICM09

Scientific paper

We study classical Heisenberg antiferromagnets with uniaxial exchange anisotropy and a cubic anisotropy term on simple cubic lattices in an external magnetic field using ground state considerations and extensive Monte Carlo simulations. In addition to the antiferromagnetic phase field--induced spin--flop and non--collinear, biconical phases may occur. Phase diagrams and critical as well as multicritical phenomena are discussed. Results are compared to previous findings.

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