High-Power Collective Charging of a Solid-State Quantum Battery.

@article{Ferraro2018HighPowerCC,
  title={High-Power Collective Charging of a Solid-State Quantum Battery.},
  author={Dario Ferraro and Michele Campisi and Gian Marcello Andolina and Vittorio Pellegrini and Marco Polini},
  journal={Physical review letters},
  year={2018},
  volume={120 11},
  pages={117702}
}
Quantum information theorems state that it is possible to exploit collective quantum resources to greatly enhance the charging power of quantum batteries (QBs) made of many identical elementary units. We here present and solve a model of a QB that can be engineered in solid-state architectures. It consists of N two-level systems coupled to a single photonic mode in a cavity. We contrast this collective model ("Dicke QB"), whereby entanglement is genuinely created by the common photonic mode, to… CONTINUE READING
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