Molecular field theory for AF

Unified molecular field theory for collinear and noncollinear Heisenberg antiferromagnets.
David C. Johnston
Phys. Rev. B 91, 064427 (2015)

Reduced ordered plus induced moment μ¯i≡μi/μsat versus reduced staggered
magnetic field h†≡gμBH†/kBTN at the indicated reduced temperatures
t≡T/TN for (a) spin S=1/2 and (b) spin S=7/2.