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Mechanism of Elastic Waves Reflection in Geological Media
Elastic Waves Phonons Heterogeneous Media
2013/3/7
Reflecting properties of layered geological media are substantiated in the framework of phonon-phonon mechanism of elastic wave propagation in porous media. In this scope the reflection coefficient is...
High-Q Nanomechanics via Destructive Interference of Elastic Waves
High-Q Nanomechanics Destructive Interference Elastic Waves
2010/11/11
Mechanical dissipation poses an ubiquitous challenge to the performance of nanomechanical devices. Here we analyze the support-induced dissipation of high-stress nanomechanical resonators. We develop ...