Spin-Induced Polarizations and Non-Reciprocal Directional Dichroism of Multiferroic BiFeO${}_3$

Randy S. Fishman, Jun Hee Lee, Sándor Bordács +3

A microscopic model for the room-temperature multiferroic BiFeO${}_3$ that includes two Dzyaloshinskii-Moriya interactions and single-ion anisotropy along the ferroelectric polarizat…