✦ LIBER ✦

Vibrational specific heat enhancement from force-constant variations in amorphous solids

✍ Scribed by C. G. Montgomery

Book ID: 104627767
Publisher: Springer US
Year: 1980
Tongue: English
Weight: 259 KB
Volume: 39
Category: Article
ISSN: 0022-2291
DOI: 10.1007/bf00118062

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✦ Synopsis

The fact that the restoring forces on atoms in amorphous solids fluctuate locally from their macroscopically averaged value is shown to result in an enhancement of 5 the low-frequency density of vibrational states, lending to increased T 3 and T specific heat contributions at low temperatures. This effect is distinct from localized tunneling-state contributions, but may be important for interpretations of thermal data in the study of tunneling states.

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