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Convergence of Perturbation Theory for Static Models
Phys. Rev. D 2, 695 – Published 15 August, 1970
DOI: https://doi.org/10.1103/PhysRevD.2.695
Abstract
The unrenormalized perturbation series for the charged-scalar static model with finite cutoff is shown to have a finite radius of convergence. Although only the two-point function is explicitly considered, the result generalizes to three- and four-point functions.
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