24-30 July 2016
Highfield Campus, University of Southampton
Europe/London timezone

Asymptotically safe gauge-Yukawa theories and functional renormalisation group

25 Jul 2016, 17:45
20m
Building 67 Room 1027 (Highfield Campus, University of Southampton)

Building 67 Room 1027

Highfield Campus, University of Southampton

Highfield Campus, Southampton SO17 1BJ, UK
Talk Physics Beyond the Standard Model Physics Beyond the Standard Model

Speaker

Ms Tugba Buyukbese (University of Sussex)

Description

Recently, new four-dimensional (gauge-Yukawa) theories have been discovered which display exact interacting fixed points at highest energies. In a regime where asymptotic freedom is lost, these novel types of theories develop an asymptotically safe UV fixed point, strictly controlled by perturbation theory. In this talk, we extend these studies to include couplings with non-vanishing canonical mass dimension. Using the method of functional renormalisation, we determine the full fixed point potential including higher order invariants of e.g. the scalar and fermionic fields. We also compute the universal scaling exponents and establish consistency of the theory beyond the restriction to classically marginal operators.

Primary authors

Dr Daniel Litim (University of Sussex) Ms Tugba Buyukbese (University of Sussex)

Presentation Materials

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