Unraveling cosmology with cosmic voids

par Alice Pisani (Princeton University)

lundi 18 mars 2024, 14:00 → 15:30 Europe/Paris

Modern surveys provide access to high-quality measurements on large areas of the sky, sampling the galaxy distribution in detail also in the emptiest regions, voids. Void cosmology is becoming an increasingly active sector of galaxy clustering analysis: by measuring void properties, such as density profiles or void number counts, it is possible to constrain cosmological parameters. Cosmic voids are particularly sensitive to the properties of dark energy and neutrinos, and are a powerful tool to test modifications of the laws of general relativity. Studying voids provides a novel perspective to unravel the unsolved mysteries of our Universe. 

In this talk I introduce cosmic voids as a tool for cosmology, I present recent results and I discuss current challenges and future developments in the field.

 

Document to collect questions:

https://docs.google.com/document/d/1_NEaFIEQfeKQCADn3IKZEznWSi6OYO5WGSslyQbe5-A/edit

2024-03-18_Alice_Pisani_voids-2.mp4

2024-03-18_Alice_Pisani_voids.mp4

AlicePisani_CPPM_2024_sent.pdf