Answers are grounded in this paper and cite their sources.
It is pointed out that certain XY-like antiferromagnets, including Cr₂TeO₆ and KCuF₃, should exhibit a tetracritical point at (T=TN, →H=0) when the magnetic field →H is applied along a symmetry axis. The zero-temperature critical field is estimated to be of order 1 kG. The predictions of scaling and renormalization-group theories for tetracritical points may be tested experimentally on these antiferromagnets.
No takes yet. Share an insight, caveat, or question.
David Mukamel (1976) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: