Time Dilation in Planck-scale-deformed Special Relativity

9 Jul 2025, 12:20
20m
Amphithéâtre Charpak (LPNHE)

Amphithéâtre Charpak

LPNHE

4 Place Jussieu 75005 Paris Tour 22
Oral contribution WG1 High Energy QG Theory 3

Speaker

Pietro Pellecchia

Description

I will show how to derive finite boost transformations within the theory of Deformed Special Relativity based on the bicrossproduct-basis κ-Poincarè Hopf algebra.
This enables to establish key properties of the theory, such as worldline covariance and the spacetime metric.
These results allow the derivation of a Planck-scale-modified time dilation factor, which may be relevant for quantum gravity phenomenology, particularly in the context of lifetime observations.

Working Group WG1 - High Energy QG Theory

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