Goldstone-Mode Phonon Dynamics in the Pyrochlore Cd2Re2O7

C. A. Kendziora, I. A. Sergienko, R. Jin +4

We have measured the polarized Raman scattering spectra of Cd2Re2O7, the first superconducting pyrochlore, as a function of temperature. For temperatures below the cubic-to-tetrago…