The Hubbard model describes the behaviour of interacting quantum particles, but many of its properties remain unknown. A system of ultracold atoms could provide the key to determining the model's underlying physics. See Letter p.462
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Giamarchi, T. A firmer grip on the Hubbard model. Nature 545, 414–415 (2017). https://doi.org/10.1038/545414a
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DOI: https://doi.org/10.1038/545414a
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