Observation of time-dependent specific heat in amorphous SiO2

The time-dependent specific heat of amorphous SiO2 has been measured between 0.1 and 1 K over the range approximately 1 sec to 10 microsec. The decoupling of the roughly T-dependent contribution to specific heat is observed in submillisecond time scales, in qualitative agreement with the predictions...

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Published in:Physical review letters 1980-01, Vol.45, p.457-460
Main Authors: Loponen, M T, Dynes, R C, Narayanamurti, V, Garno, J P
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Dynes, R C
Narayanamurti, V
Garno, J P
description The time-dependent specific heat of amorphous SiO2 has been measured between 0.1 and 1 K over the range approximately 1 sec to 10 microsec. The decoupling of the roughly T-dependent contribution to specific heat is observed in submillisecond time scales, in qualitative agreement with the predictions of the tunneling model. However, the excess T-cubed-dependent specific heat is not decoupled on the time scales involved.
doi_str_mv 10.1103/PhysRevLett.45.457
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title Observation of time-dependent specific heat in amorphous SiO2
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