​​​Welcome to the EAAS workpackage 1! Here you will find short accessible descriptions of the scientific papers that have been published in the context of this EAAS workpackage. If something catches your interest, feel free to click the links to explore further!

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What is this workpackage about?

In everyday physics, scientists usually study how tiny particles behave and interact within space and time. But in this project, we ask a deeper question: what if space and time themselves are not fundamental, but actually emerge from something even more basic?

Our research explores how the fabric of the universe, what we call “spacetime", could have formed from an underlying quantum system in the very early universe. This is one of the big open questions in modern physics.

To investigate this, we build models that start from simple, small-scale building blocks and study how they can combine to form the large-scale universe we observe today. In particular, we look at how smooth, continuous space can arise from more “discrete” or random structures. We are especially interested in understanding how the early universe may have taken shape, including phases of rapid expansion (known as inflation) and the formation of structures like galaxies. By studying tiny fluctuations in these early stages, we hope to better understand how the universe evolved into what we see today.