Cooper pair turbulence in atomic fermi gases

M. Dzero, E. A. Yuzbashyan, B. L. Altshuler

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


We investigate under what conditions a uniform quench of a superfluid atomic Fermi gas leads to the emergence of spatial inhomogeneities. We demonstrate that, if the system is larger than the coherence length, the superfluid order parameter becomes spatially nonuniform. Spatial modulations develop through a parametric excitations of pairing modes with opposite momenta. Their growth is eventually suppressed by nonlinear effects resulting in a state characterized by a random superposition of wave packets of the superfluid order parameter. This state can be probed by measuring the molecular momentum distribution following a fast sweep to the BEC side of the Feshbach resonance.

Original languageAmerican English
Article number20004
Issue number2
StatePublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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