OBSERVERS IN QUANTUM GRAVITY


Jose Manuel Carmona

University of Zaragoza


Title

Observers and their notion of spacetime beyond special relativity


Abstract

It is plausible that quantum gravity effects may lead us to a description of Nature beyond the framework of special relativity. In this case, either the relativity principle is broken or it is maintained. These two scenarios (a violation or a deformation of special relativity) are very different, both conceptually and phenomenologically. We discuss some of their implications on the description of events for different observers and the definition of a universal or observer-dependent notion of spacetime.


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