Low-temperature thermal conductivity and acoustic attenuation in amorphous solids

By R. Pohl, Xiao Liu, E. Thompson. 2002

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Gravitational Radiation Detection with Laser Interferometry (2013, background): “It has been shown (Phillips, 1987; Pohl et al. , 2002) that the mechanical dissipation (and consequently the thermal noise) of nearly all amorphous, thin-ﬁlm materials is higher than that of crystalline materials.”
Ultralow dissipation optomechanical resonators on a chip (2008, background): “It is shown that the measured Q -factors are only limited by temperature-dependent intrinsic dissipatio”
Resolved-sideband cooling and position measurement of a micromechanical oscillator close to the Heisenberg uncertainty limit (2009, background): “(note that damping by the exchange gas is negligible, and that the mechanical Q factor improves again at lower temperature”
Resolved-sideband and cryogenic cooling of an optomechanical resonator (2009, background): “Below 5 K, interactions of phonons with two-level tunnelling defects become importan”
Valence Bonds in Random Quantum Magnets: Theory and Application to YbMgGaO4 (2017, background): “log corrections and other effects are known [134,135] to”