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Echange et Corrélation dans la Structure Electronique des Solides, du Silicium à l'Oxyde Cuivreux: Approximation GW et au-delà

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Academic year: 2021

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Figure

Figure 1.2: Theoretical total energy curve of a crystal as a function of the lattice parameter (here, silicon within local density approximation, see following).
Figure 4.1: Optical absorption spectrum of bulk silicon calculated within RPA (dotted line), adiabatic LDA (dashed line), and using the α kernel of reference [4] (full line), compared to the experimental curve (full circles) of reference [30]
Figure 5.1: Performance of the linearization of Σ(ω) for the first conduction band of bulk silicon.
Figure 7.1: Real part of the correlation part of self-energy Σ c (ω) for bulk
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