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Ultracold atoms

Universal symmetry breaking passes the superfluid test

The Kibble–Zurek mechanism is a key framework for describing the dynamics of continuous phase transitions. Recent experiments with ultracold gases, employing alternative methods to create a superfluid, highlight its universality.

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Fig. 1: Vortex formation in a newborn Fermi superfluid.

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Correspondence to Adolfo del Campo or Seong-Ho Shinn.

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The authors declare no competing interests.

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del Campo, A., Shinn, SH. Universal symmetry breaking passes the superfluid test. Nat. Phys. 20, 1523–1524 (2024). https://doi.org/10.1038/s41567-024-02609-7

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