Ultra-strong coupling regime in cavity quantum electrodynamics

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    14. R. Stassi, V. Macrì, A.F. Kockum, O.D. Stefano, A. Miranowicz, S. Savasta, F. Nori
      Quantum Nonlinear Optics without Photons
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    16. V. Macrì, A. Ridolfo, O.D. Stefano, A.F. Kockum, F. Nori, S. Savasta
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    17. W. Qin, A. Miranowicz, P.B. Li, X.Y. Lu, J.Q. You, F. Nori
      Exponentially Enhanced Light-Matter Interaction, Cooperativities, and Steady-State Entanglement Using Parametric Amplification
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      Long-lasting quantum memories: Extending the coherence time of superconducting artificial atoms in the ultrastrong-coupling regime
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      Interaction of Mechanical Oscillators Mediated by the Exchange of Virtual Photon Pairs
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      Photodetection probability in quantum systems with arbitrarily strong light-matter interaction
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