Quantum chaos and critical behavior on a chip

@article{Lambert2009QuantumCA,
  title={Quantum chaos and critical behavior on a chip},
  author={Neill Lambert and Yueh-Nan Chen and Robert Johannsson and Franco Nori},
  journal={Physical Review B},
  year={2009},
  volume={80},
  pages={165308}
}
The Dicke model describes $N$ qubits (or two-level atoms) homogeneously coupled to a bosonic mode. Here we examine an open-system realization of the Dicke model, which contains critical and chaotic behaviors. In particular, we extend this model to include an additional open transport qubit (coupled to the bosonic mode) for passive and active measurements. We illustrate how the scaling (in the number of qubits $N$) of the super-radiant phase transition can be observed in both current and current… 

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