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DTSTART;TZID=Europe/Madrid:20260514T120000
DTEND;TZID=Europe/Madrid:20260514T130000
DTSTAMP:20260718T190530
CREATED:20260330T090749Z
LAST-MODIFIED:20260513T152425Z
UID:24670-1778760000-1778763600@www.ift.uam-csic.es
SUMMARY:Seminar: 'Perturbative aspect of electroweak phase transitions in the Early Universe'
DESCRIPTION:Title: ‘Perturbative aspect of electroweak phase transitions in the Early Universe’\n\n\n\nSpeaker: Andrii Dashko (DESY)\n\n\nVenue&Time: Blue Room / 12:00\n\n\nAbstract: We present a study of the perturbative description of thermally driven electroweak phase transitions (EWPT) in the early universe. Focusing on strong first-order transitions\, which are relevant for gravitational wave cosmology\, we examine the dimensional reduction as a tool for a precise and systematic description focusing on the running of effective parameters within the effective field theory (EFT)\, and the impact of higher-dimensional operators. This allows us to assess the range of validity and theoretical uncertainties of the EFT approach. We demonstrate these results with applications to the Standard Model Effective Field Theory (SMEFT) and singlet extensions of the Standard Model\, both of which can realize strong EWPT.
URL:https://www.ift.uam-csic.es/event/seminar-by-andrii-dashko-desy/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
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