单组分晶体零点振动的表征
Characterization of Zero-point Vibration in One-Component Crystals
摘要：
研究了单组分晶体零点振动的大小。对于晶体的组成原子共享相同的键合几何形状，我们证明了存在一个特征温度，T0，在该温度下的零点振动的幅度等于激发振动的幅度。在德拜模型中，发现T0约为德拜温度的1/3。结果表明，在现实的系统。
英文摘要：
We study the magnitude of zero-point vibration in one-component crystals. For the crystals whose constituent atoms share the same bonding geometry, we prove the existence of a characteristic temperature, T0, at which the magnitude of zero-point vibrations equals to that of the excited vibrations. Within the Debye model T0 is found to be ~1/3 of the Debye temperature. The results are demonstrated in realistic systems.
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