Aspects of spacetime-symmetry violations

TL;DR

This paper reviews the potential signals and mechanisms of spacetime-symmetry violations, focusing on Lorentz breakdown, the SME framework, and observable phenomenological effects at high energy scales.

Contribution

It provides a comprehensive overview of theoretical mechanisms and experimental signatures of spacetime-symmetry violations, highlighting recent developments in the field.

Findings

Identification of mechanisms for Lorentz symmetry breakdown

Overview of the Standard-Model Extension (SME) test framework

Discussion of phenomenological signatures for spacetime-symmetry violations

Abstract

The violation of spacetime symmetries provides a promising candidate signal for underlying physics, possibly arising at the Planck scale. This talk gives an overview over various aspects in the field, including some mechanisms for Lorentz breakdown, the SME test framework, and phenomenological signatures for such effects.