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created: 2021-10-31 14:05:16
modified: 2022-01-10 04:13:02
The Wigner-Seitz cell of a reciprocal lattice.
But we can have more than one Brillouin zones: we can have many, the first one corresponding to the closest lattice vectors on the reciprocal lattice, the second corresponding to the second closest ones, etc.
This sequence can be visualized like this for a cubic lattice's reciprocal lattice in 2D: