Signatures of a dissipative phase transition in photon correlation measurements

  title={Signatures of a dissipative phase transition in photon correlation measurements},
  author={Thomas Fink and Anne Schade and Sven H{\"o}fling and Christian Schneider and Ataç Imamoğlu},
  journal={Nature Physics},
Understanding and characterizing phase transitions in driven-dissipative systems constitutes a new frontier for many-body physics1–8. A generic feature of dissipative phase transitions is a vanishing gap in the Liouvillian spectrum9, which leads to long-lived deviations from the steady state as the system is driven towards the transition. Here, we show that photon correlation measurements can be used to characterize the corresponding critical slowing down of non-equilibrium dynamics. We focus… 
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