unified spin model for magnetic excitations in iron chalcogenides

Patricia Bilbao Ergueta, Wen-Jun Hu, and Andriy H. Nevidomskyy,

Phys. Rev. B 96, 174403 (2017).

ising-nematic order in the bilinear-biquadratic model for the iron pnictides

Patricia Bilbao Ergueta and Andriy H. Nevidomskyy,

Phys. Rev. B 92, 165102 (2015).