Recent theorems

Recent Papers

We elaborate on the idea of fake particle and its physical consequences. When a theory contains fakeons, the true classical limit is determined by the quantization and a subsequent process of “classicization”. One of the major predictions due to the fake particles is the violation of microcausality, which survives the classical limit. This fact gives hope to find ways to detect the violation experimentally. Quantum gravity predicts that at least one fakeon exists in nature, with spin 2 and a mass that could be much smaller than the Planck mass. By classicizing the theory, we work out the corrections to the field equations of general relativity. We show that the finalized equations have, in simple terms, the form $\langle F\rangle =ma$, where $\langle
F\rangle $ is an average that includes a little bit of “future”.

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arXiv: 1809.05037 [hep-th]

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14B1 D. Anselmi
Renormalization

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Last update: May 9th 2015, 230 pages

Contents: Preface | 1. Functional integral | 2. Renormalization | 3. Renormalization group | 4. Gauge symmetry | 5. Canonical formalism | 6. Quantum electrodynamics | 7. Non-Abelian gauge field theories | Notation and useful formulas | References

Course on renormalization, taught in Pisa in 2015. (More chapters will be added later.)