Superfluid quenching of the moment of inertia in a strongly interacting Fermi gas
S Riedl, Edmundo R. Sánchez Guajardo, Christoph Kohstall +2 more
We report on the observation of a quenched moment of inertia 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 and collisional origins of hydrodynamic behavior, and show the phase transition.
arXiv:0907.3814•New Journal of Physics•Mar 16, 2011•37 citations