A Green's function approach to the reflection behavior of SAW in layered structures

A Green's function method is used to derive expressions for the mechanical part of complex SAW reflection coefficients for layered structures of any material symmetry with transverse perturbations of arbitrary shape and material symmetry. The computed data are in qualitative agreement with published results that have been derived using the variational principle or the perturbation theory. Deviations arise from quite different situations concerning the point of observing the reflected wave.<
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