Spin excitations in a single La${}_2$CuO${}_4$ layer

M. P. M. Dean, R. S. Springell, C. Monney +9

The dynamics of S=1/2 quantum spins on a 2D square lattice lie at the heart of the mystery of the cuprates \cite{Hayden2004,Vignolle2007,Li2010,LeTacon2011,Coldea2001,Headings2010,…