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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Official URL: http://prb.aps.org/abstract/PRB/v15/i8/p4130_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.15.4130
Abstract
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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