Bistability Versus Metastability in Driven Dissipative Rydberg Gases

@article{Letscher2016BistabilityVM,
  title={Bistability Versus Metastability in Driven Dissipative Rydberg Gases},
  author={Fabian Letscher and Oliver Thomas and Thomas Niederprum and Michael Fleischhauer and Herwig Ott},
  journal={Physical Review X},
  year={2016},
  volume={7},
  pages={021020}
}
When an ensemble of atoms interacts with an environment, it's possible that two steady states can coexist---a bistable state. A new experiment investigates this possibility in a sample of Rydberg atoms and finds that, in large systems, many excitations exist that are incompatible with a bistable state. 

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