Physics – Condensed Matter – Quantum Gases
Scientific paper
2009-07-22
Physics
Condensed Matter
Quantum Gases
v2: revised discussion of experimental results, new figure 3; v3: final version with slightly extended discussion
Scientific paper
We report on the observation of a quenched moment of inertia as resulting from superfluidity in a strongly interacting Fermi gas. Our method is based on setting the hydrodynamic gas in slow rotation and determining its angular momentum by detecting the precession of a radial quadrupole excitation. The measurements distinguish between the superfluid or collisional origin of hydrodynamic behavior, and show the phase transition.
Denschlag Johannes Hecker
Grimm Rudolf
Kohstall Christoph
Riedl Stefan
Sanchez Guajardo E. R.
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