Wave-front images of acoustic waves in the (100) and (001) surfaces of TeO2
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概要
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Based on the finite-difference time-domain (FDTD) method, we study theoretically the wave-front images ofacoustic waves propagating on the (100) and (001) surface of a highly anisotropic tetragonal TeO2 crystal forwhich imaging experiments have recently been conducted. The theoretical images well reproduce characteristicfeatures observed experimentally. The group-velocity calculations of both surface and pseudosurface acousticwaves account for the shapes and locations of the major wave fronts obtained with the FDTD method.Additional weak wave-front structures that disappear rather quickly in time are attributed to bulk acousticwaves.
- American Physical Societyの論文
American Physical Society | 論文
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