Abstract
A block renormalization procedure for a lattice model of the interaction of a system of two-level atoms with the radiation field is introduced; the strong coupling regime is analyzed by examining the one-point and two-point correlation functions.
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Benza, V., Pessina, E. Block renormalization procedure for a chain of spins and bosons. Z. Physik B - Condensed Matter 62, 499–504 (1986). https://doi.org/10.1007/BF01303582
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DOI: https://doi.org/10.1007/BF01303582