布里渊区（Brillouin zone），在数学和固体物理学中，第一布里渊区是动量空间中晶体倒易点阵的魏格纳-塞兹原胞（Wigner-Seitz cell）。
...ce vectors 倒晶格 reciprocal lattice vector 倒易晶格矢量 ; 倒格矢 ; 晶格向量 Reciprocal lattice primitive cell 布里渊区 ..
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在第一布里渊区中出现的杂质带的反常色散实际上是能带折叠的结果。
In fact, the seemingly anomalous dispersion of the impurity band in the first Brillouin zone is a result from band folding.
这些结果表明锗导带能谷不在布里渊区中心，且具有非球形对称等能面。
Our results indicate that the energy valley of conduction band of Ge is not lying in the center of Brillouin zone and the constant energy surface possesses non-spherical symmetry.
计算表明：在布里渊区边界，界面波有强烈的散射，而在色散曲线上形成间隙。
The calculation shows that the interface modes are strongly scattered at the boundaries of Brillouin Zones, and the band gaps are formed in the dispersion curves of the interface modes.
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