# Precise predictions for cosmological phase transitions

- Institution: CERN
- Department: TH institutes
- Speaker: Bogumila Swiezewska
- Year: 2025
- Language: English
- Source: [CERN](https://videos.cern.ch/record/3021118)
- Licence: [CERN](http://copyright.web.cern.ch)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

In this talk, I will discuss how to formulate precise predictions for the parameters of supercooled cosmological first-order phase transitions. I will explain the construction of the high-temperature effective field theory (EFT) applicable to the issue of nucleation. Using this EFT, I will show how to consistently formulate predictions at next-to-leading order in perturbation theory, paying special attention to the issue of various mass/energy scales and how they vary across the bubble..

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## Lectures

1. [Precise predictions for cosmological phase transitions](https://invisiblenetwork.ai/learn/cern/3021118/bbb04db32bc2), 51 min (CERN's player)