26–28 Sept 2018
Mainz Institute for Theoretical Physics, Johannes Gutenberg University
Europe/Berlin timezone

Is Lorentz symmetry relevant?

27 Sept 2018, 11:00
45m
02.430 (Mainz Institute for Theoretical Physics, Johannes Gutenberg University)

02.430

Mainz Institute for Theoretical Physics, Johannes Gutenberg University

Staudingerweg 9 / 2nd floor, 55128 Mainz

Speaker

Dr Benjamin Knorr (Radboud University)

Description

Among the several approaches to quantise gravity, one particular is Horava-Lifshitz gravity, claiming that Lorentz symmetry is broken microscopically, which might allow a perturbative renormalisation of gravity. For this scenario to be related to the real world, Lorentz symmetry must be restored on large scales to be consistent with countless experiments. I propose a new foliated renormalisation group equation which preserves background diffeomorphism symmetry if the initial action is invariant. With this, it can be investigated whether quantum effects enhance or diminish Lorentz symmetry violations.

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