Evidence of High Frequency Propagating Modes in Vitreous Silica
β Scribed by Benassi, P.; Krisch, M.; Masciovecchio, C.; Mazzacurati, V.; Monaco, G.; Ruocco, G.; Sette, F.; Verbeni, R.
- Book ID
- 115461921
- Publisher
- The American Physical Society
- Year
- 1996
- Tongue
- English
- Weight
- 130 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0031-9007
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
The exponential decay of phonon intensity observed in both experiments and simulations for the quasidiffusive propagation regime reflects the elastic and inelastic scattering process of high frequency phonons. In search of the predicted quasidiffusive behaviour, we have removed the contact with liqu
The arrival of thermal pulses propagating through glass is retarded at high excitation energies. The retardation time is approximately proportional to the excitation energy, suggesting characteristics of nonequilibrium phonons at high densities in glass. The late time signal decays approximately exp