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Wednesday, November 16th 2016

2:30 pm:

The Hubbard model is one of the fundamental models of correlated electron physics. In two dimensions it exhibits various superconducting, Mott insulating, magnetically ordered, pseudogapped, and metallic phases. On a square lattice and for repulsive interactions comparable to the bandwidth, the model is believed to capture much of the low-energy physics of the cuprate high-temperature superconductors, while in three dimensions it can be realized experimentally in ultracold atomic gases. In this talk I will show results from `numerical experimentâ€™ on this model and compare them to experimentally obtained response functions and theoretical calculations, illustrating how simulations can be used to further our understanding of correlated electron systems.

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