Direct Observation of a Phonon Bottleneck Using Brillouin Light Scattering
- 30 December 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 21 (27) , 1800-1802
- https://doi.org/10.1103/physrevlett.21.1800
Abstract
The effective temperature of a narrow band of microwave acoustic phonons in Ni-doped MgO has been observed to rise to ∼60°K while the bulk of the lattice phonons remains at the 2°K bath temperature when the spin system is saturated with resonant microwaves.
Keywords
This publication has 12 references indexed in Scilit:
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