Phonon number density in an anharmonic crystal

Monga, M. R. ; Pathak, K. N. (1977) Phonon number density in an anharmonic crystal Physical Review B: Condensed Matter and Materials Physics, 15 (8). pp. 4130-4131. ISSN 1098-0121

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An expression for the lowest-order anharmonic contributions to the phonon number density has been obtained. A numerical estimate for a model of solid neon shows that there is about 3% increase and 25% decrease in phonon number density at high and zero temperatures, respectively.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:55979
Deposited On:22 Aug 2011 12:56
Last Modified:22 Aug 2011 12:56

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