Spin-flop-like transition as quantum critical point in Cs${}_2$RuO${}_4$

S. D. Nabi, M. Zhu, K. Yu. Povarov +6

We report thermodynamic, neutron diffraction, and inelastic neutron scattering measurements on Cs${}_2$RuO${}_4$, a member of the celebrated family of frustrated magnets Cs${}_2$MX${}_4$ (…