论文标题
在两个压电晶体之间，具有任意对称性和方向的两个压电晶体之间的真空缝隙横穿真空间隙
Acoustic wave tunneling across a vacuum gap between two piezoelectric crystals with arbitrary symmetry and orientation
论文作者
论文摘要
并非广泛认为，声波可以在两个压电固体之间的真空间隙“跳”或“隧道”，也没有详细提出或研究一般情况。在这里，我们通过提出一种普遍的形式主义和研究方法来研究这种情况，以研究两个任意定向的各向异性压电半岛晶体之间的声音隧道效应。该方法允许一个人求解所有部分波模式的反射和传输系数，并且可以适合实际数值甚至分析实现，正如我们通过一些选择的示例所证明的那样。形式主义将来可以用于对隧道效应的定量研究，不仅与声波操纵有关，而且与许多其他振动的物理学（例如热传输）相关。
It is not widely appreciated that an acoustic wave can "jump" or "tunnel" across a vacuum gap between two piezoelectric solids, nor has the general case been formulated or studied in detail. Here, we remedy that situation, by presenting a general formalism and approach to study such an acoustic tunneling effect between two arbitrarily oriented anisotropic piezoelectric semi-infinite crystals. The approach allows one to solve for the reflection and transmission coefficients of all the partial wave modes, and is amenable to practical numerical or even analytical implementation, as we demonstrate by a few chosen examples. The formalism can be used in the future for quantitative studies of the tunneling effect in connection not only with the manipulation of acoustic waves, but with many other areas of physics of vibrations such as heat transport, for example.
