Abstract
An explanation is offered for the 30° tipping of sublattices which has been observed in the noncollinear antiferromagnet CsMnI3. In contrast to the ordinary 90° spin flop, this phase transition is due to nonlinear and relativistic corrections to the susceptibility.
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Pis’ma Zh. Éksp. Teor. Fiz. 68, No. 11, 844–846 (10 December 1998)