The renormalized Bogoliubov-Fröhlich Hamiltonian is defined explicitly, with the logarithmic ultraviolet divergence explained by a two-step subtraction of perturbative ground-state energy terms.
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The Renormalised Bogoliubov-Fr\"ohlich Hamiltonian
The renormalized Bogoliubov-Fröhlich Hamiltonian is defined explicitly, with the logarithmic ultraviolet divergence explained by a two-step subtraction of perturbative ground-state energy terms.