April 1, 2012
Author(s)
Jason S. Gardner, G. Ehlers, S. O. Diallo
We have used the new high energy resolution spectrometer (BaSis), at the Spallation Neutron Source in Oak Ridge, to conclusively prove the existence of a low energy mode at 0.34(1) meV in the spin glass Tb 2mo 2O 7. This mode is reminiscent of the