Real-space visualizations of the Pauli exclusion principle in clouds of cold fermions show quantum mechanics at work, and suggest a new tool for measuring nanokelvin temperatures.
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Hadzibabic, Z. The cold reality of exclusion. Nature Phys 6, 643–644 (2010). https://doi.org/10.1038/nphys1770
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DOI: https://doi.org/10.1038/nphys1770
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