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Numerical quadrature in the Brillouin zone for periodic Schrödinger operators

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Academic year: 2021

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Figure

Figure 2. A schematic view of the sets e B n and e S n .
Figure 3. The contour C .
Figure 4. Some smearing functions. Approximation to the Dirac function f 1
Figure 6. Case 1: errors made on the energy (left) and the Fermi level (right). The p = 1, q = 1 and p = 1, q = 2 curves are almost identical in the left plot.
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