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Found 3 essays matching the above criteria.
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1. Density Functional Theory for the Hubbard-Holstein model
University essay from Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionenAbstract : The physics of interacting many-body systems is a very complex and challenging subject. Therefore one in general needs to use simplified models and approximate methods for studying these systems theoretically. READ MORE
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2. Many-body-based DFT treatment of fermions in optical lattices
University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Matematisk fysikAbstract : With recent advances in the field of ultra cold atoms one can, by trapping atoms at low temperatures by laser beams, simulate systems which can be adequately described by single-band lattice Hamiltonians. Also, due to the high parameter tunability of the experimental setups, lattice disorder can be introduced in a con- trolled fashion in these systems. READ MORE
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3. Monte Carlo simulation for the prediction of gamma-induced damage in metals
University essay from KTH/ReaktorfysikAbstract : Nuclear waste management represents the main problem related to nuclear power generation. The Swedish project for an ultimate nuclear waste repos- itory is in a very advanced state and cast iron-copper canisters have been designed with the aim of isolating the spent fuel from the environment for at least 105 years. READ MORE