A new regime of strongly correlated quantum behaviour has been reached with the creation of a one-dimensional Tonks–Girardeau gas from ultracold atoms trapped within thin tubes of light.
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Holland, M. Atomic beads on strings of light. Nature 429, 251–253 (2004). https://doi.org/10.1038/429251a
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DOI: https://doi.org/10.1038/429251a
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