| Speaker: |
Sayyed Rassouli (Nottingham) |
| Title: |
EFTs for Strong Phase Transitions |
| Date (JST): |
Thu, Oct 01, 2026, 15:30 - 16:30 |
| Place: |
Seminar Room A |
| Abstract: |
I present an EFT framework for strong, indeed the strongest, cosmological phase transitions—this is precisely where standard high-temperature dimensional reduction fails. After reviewing high-temperature dimensional reduction for weak and intermediate transitions and pinpointing where its standard assumptions fail, we construct EFTs that remain valid for very strong transitions. The approach applies to Higgs-like and multi-field models, including those with tree-level barriers.
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