Asymptotic safety in the spotlight

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• Daniel Litim, University of Sussex
• Wednesday 29 January 2020, 14:15-15:15
• MR2, Centre for Mathematical Sciences.

If you have a question about this talk, please contact Francesca Chadha-Day.

The concept of an interacting UV fixed point, known as asymptotic safety, is of high interest per se. In particle physics it opens up avenues for model building beyond the paradigm of asymptotic freedom. In gravity, it offers the prospect to understand the quantum nature of space-time within a quantum field theory setting.

In this talk, I discuss the state-of-the-art for asymptotic safety in particle physics coveringrigorous results, strict no-go theorems, examples with or w/o supersymmetry, and links with conformal field theory. As an example, I show why and how asymptotically safe extensions of the Standard Model offer a natural explanation for present (g-2) anomalies. Further implications for particle physics and quantum gravity are also indicated.

This talk is part of the Theoretical Physics Colloquium series.

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