Observation of a quenched moment of inertia in a rotating strongly interacting Fermi gas
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❄️ cond-mat.other
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fermiinertiamomentinteractingrotatingstronglysuperfluidabove
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We make a model-independent measurement of the moment of inertia of a rotating, expanding strongly-interacting Fermi gas. Quenching of the moment of inertia is observed for energies both below and above the superfluid transition. This shows that a strongly interacting Fermi gas with angular momentum can support irrotational flow in both the superfluid and collisional normal fluid regimes.
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