Explore the intricacies of phonon thermal Hall conductivity in a 46-minute conference talk delivered by Léo Mangeolle from ENS. Delve into the fascinating interplay between phonons and collective fluctuations, examining their impact on thermal transport in quantum magnets. Gain insights from this presentation, which was part of the Dynamical Response and Transport in Quantum Magnets conference held at the Kavli Institute for Theoretical Physics in Santa Barbara, CA. Discover recent advancements in understanding quantum aspects of magnetism and the complexity of magnetic materials with entangled spin, orbital, and lattice degrees of freedom. Learn about emerging low-energy quantum gauge theories controlling collective phenomena in quantum magnets and their implications for novel topologically-ordered states of matter. Investigate the computation and measurement of dynamical and transport properties that reveal fractionalization and multipolar ordering, as well as the roles of disorder and spin-phonon interactions in these systems. Read more