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SYDK: Joint Symposium of the Danish and German Physical Societies

SYDK 1: Joint Symposium of the Danish and German Physical Societies

SYDK 1.3: Invited Talk

Monday, September 8, 2025, 12:05–12:45, ZHG008

Frontiers in quantum gravity — •Astrid Eichhorn — Institute for Theoretical Physics, Heidelberg University, Heidelberg

After decades of research, understanding the quantum structure of spacetime remains an open challenge. I will provide an overview of that challenge and some recent progress, highlighting two aspects: First, I will contrast different candidate theories of quantum gravity and discuss whether or not they are related to each other. Second, I will discuss the challenge of connecting theories of quantum gravity to observational data and review ideas how to address this challenge.

Keywords: quantum gravity; quantum gravity phenomenology