布洛赫定理
- 网络Bloch theorem;Bloch's theorem
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一维光子晶体中布洛赫定理的一个证明
A Proof of the Bloch Theorem for One-dimensional Photonic Crystals
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本文利用平面波展开法从理想弹性介质的弹性波波动方程出发,结合固体理论中晶格周期函数的傅里叶展开和布洛赫定理,推导出二维声子晶体的特征方程。
In this paper , the eigenvalue equations of 2D phononic crystals were deduced from the elastic motion equation of the ideally elastic media by plane wave expansion method , during which the Fourier expansion of the crystal lattice periodic functions and Bloch theorem in solid theory were used .