Dynamical quantum phase transitions in the reduced Loschmidt echo persist under purely gain or loss dissipation but are completely smeared by any combination of both channels, even when one is infinitesimal.
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Smearing of dynamical quantum phase transitions in dissipative free-fermion systems
Dynamical quantum phase transitions in the reduced Loschmidt echo persist under purely gain or loss dissipation but are completely smeared by any combination of both channels, even when one is infinitesimal.
- Unified resonant-manifold framework for dynamical quantum phase transitions