$z=2$ Quantum Critical Dynamics in a Spin Ladder

D. Blosser, V. K. Bhartiya, D. J. Voneshen +1

By means of inelastic neutron scattering we investigate finite temperature dynamics in the quantum spin ladder compound (C${}_5$H${}_{12}$N)${}_2$CuBr${}_4$ (BPCB) near the magnetic field…