Trapping rubidium atoms in narrow lattices provides insight into the quantum mechanics of collections of interacting particles. This innovative approach reveals a phase transition similar to one found in superconductors.
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Mueller, E. On the ladder. Nature Phys 10, 554–555 (2014). https://doi.org/10.1038/nphys3038
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DOI: https://doi.org/10.1038/nphys3038
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