Non-standard Hubbard models in optical lattices: a review
Non-standard Hubbard models in optical lattices: a review
Originally, the Hubbard model was derived for describing the behavior of strongly correlated electrons in solids. However, for over a decade now, variations of it have also routinely been implemented with ultracold atoms in optical lattices, allowing their study in a clean, essentially defect-free environment. Here, we review some of …