Summary
A one-dimensional model of two-level atoms interacting with the radiation field is studied by means of the real-space renormalization group, and the spontaneous built-up of macroscopic polarization is exhibited. The relevance of the model for superradiance is also considered.
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Benza, V., Montaldi, E. & Ciftan, M. Dynamical approach to superradiance through vacuum instability. Lett. Nuovo Cimento 36, 193–199 (1983). https://doi.org/10.1007/BF02887586
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DOI: https://doi.org/10.1007/BF02887586