Ultrafast switching of AF and FiM

THz Switching of Antiferromagnets and Ferrimagnets.
S. Wienholdt, D. Hinzke, and U. Nowak
Phys. Rev. Lett. 108, 247207 (2012)

Excitation of an antiferromagnet with a ps magnetic field pulse. (a) l_z shows inertial behavior. (b) Excitation triggers inertial switching. (c) Energies during switching process.