Critical fluctuations in the spin-orbit Mott insulator Sr${}_3$Ir${}_2$O${}_7$

J. G. Vale, S. Boseggia, H. C. Walker +5

X-ray magnetic critical scattering measurements and specific heat measurements were performed on the perovskite iridate Sr${}_3$Ir${}_2$O${}_7$. We find that the magnetic interactions cl…