Circuit analog of quadratic optomechanics

@article{Kim2015CircuitAO,
  title={Circuit analog of quadratic optomechanics},
  author={Eun-jong Kim and J. R. Johansson and Franco Nori},
  journal={Physical Review A},
  year={2015},
  volume={91},
  pages={033835}
}
We propose a superconducting electrical circuit that simulates a quadratic optomechanical system. A capacitor placed between two transmission-line (TL) resonators acts like a semitransparent membrane, and a superconducting quantum interference device (SQUID) that terminates a TL resonator behaves like a movable mirror. Combining these circuit elements, it is possible to simulate a quadratic optomechanical coupling whose coupling strength is determined by the coupling capacitance and the tunable… 
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