Essays about: "Hubbard-I Approximation"
Found 1 essay containing the words Hubbard-I Approximation.
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1. Combining the GW Approximation with the Hubbard I Approximation for strongly correlated materials
University essay from Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionenAbstract : In this thesis, the GW approximation (GWA, Green's function G times screened interaction W) and the Hubbard I approximation (HIA) are combined in a non-self-consistent one-shot calculation to determine the electronic structure of a one-dimensional strongly-correlated model. The scheme was chosen to incorporate both screening effects through the GWA and strong on-site correlations through the atomic HIA. READ MORE
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