Gallery of soft modes: Theory and experiment at a ferromagnetic quantum phase transition

PCE Stamp, DM Silevitch, M Libersky, R McKenzie… - Physical Review B, 2024 - APS
We examine the low-energy excitations in the vicinity of the quantum critical point in LiHoF 4,
a physical realization of the transverse-field Ising model, focusing on the long-range …