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Functional Dimensional Regularization

Beretta, Piero et al.
arXiv (All) · Papers
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high-energy-physics-theorymathematical-physicsstatistical-mechanics
We introduce and develop Functional Dimensional Regularization (FDR), a novel functional renormalization group (RG) framework that extends the principles of dimensional regularization beyond the perturbative $\varepsilon$-expansion. The key insight is to define the FDR beta functions, valid in any c
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