Specific heat and thermal conductivity of ferromagnetic magnons in Yttrium Iron Garnet

B. Y. Pan, T. Y. Guan, X. C. Hong +4

The specific heat and thermal conductivity of the insulating ferrimagnet Y${}_3$Fe${}_5$O${}_{12}$ (Yttrium Iron Garnet, YIG) single crystal were measured down to 50 mK. The ferromagneti…