In the BCS limit, one-body or two-body loss drives a universal dynamical phase transition at a finite critical time, where the order parameter vanishes non-analytically and the superfluid fraction loses superfluidity with a discontinuous time derivative.
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Dynamical Phase Transition of Dissipative Fermionic Superfluids
In the BCS limit, one-body or two-body loss drives a universal dynamical phase transition at a finite critical time, where the order parameter vanishes non-analytically and the superfluid fraction loses superfluidity with a discontinuous time derivative.