Two-phonon scattering overtakes single-phonon scattering for electron energy relaxation above the Bloch-Grüneisen temperature, invalidating the energy-diffusion picture.
Phonon anomalies in SrTiO3 in the quantum paraelectric regime.Phys
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Energy relaxation due to two-phonon scattering of electrons: Breakdown of the energy diffusion model
Two-phonon scattering overtakes single-phonon scattering for electron energy relaxation above the Bloch-Grüneisen temperature, invalidating the energy-diffusion picture.