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X-WR-CALNAME:Instituto de Física Teórica
X-ORIGINAL-URL:https://www.ift.uam-csic.es
X-WR-CALDESC:Events for Instituto de Física Teórica
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TZID:Europe/Madrid
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BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260514T113000
DTEND;TZID=Europe/Madrid:20260514T133000
DTSTAMP:20260719T005615
CREATED:20260511T080237Z
LAST-MODIFIED:20260511T080237Z
UID:25031-1778758200-1778765400@www.ift.uam-csic.es
SUMMARY:SPS Journal Club: 'Type IIB at Eight Derivatives: A Status Report'
DESCRIPTION:Strings\, Pheno and the Swampland (SPS) Journal Club \nTitle: ‘Type IIB at Eight Derivatives: A Status Report’ \nSpeaker: Raffaele Savelli (Dipartimento di Fisica & INFN\, Università di Roma “Tor Vergata”) \nVenue&Time: Red Room / 11:30 \nAbstract: \nKnowledge of ten-dimensional superstring effective actions beyond the leading order in the derivative expansion is of intrinsic interest and plays a central role in many questions in string phenomenology. For Type IIB string theory\, all the effective couplings are known at the four-point level\, but a complete characterization of the eight-derivative effective action remains elusive. \nIn this seminar\, I will discuss recent progress in deriving the five-point contact terms in sectors that mix gravity with the three-form flux and the axio-dilaton. I will present different approaches to this problem and emphasize the role of SL(2\,Z) duality in constraining the structure of eight-derivative couplings and in revealing universal kinematical patterns. Finally\, I will briefly comment on applications to lower-dimensional physics.\nThe talk is based on arXiv:2205.11530 and arXiv:2507.07934.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-type-iib-at-eight-derivatives-a-status-report/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
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BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260514T120000
DTEND;TZID=Europe/Madrid:20260514T130000
DTSTAMP:20260719T005615
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
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260514T120000
DTEND;TZID=Europe/Madrid:20260514T130000
DTSTAMP:20260719T005615
CREATED:20260511T081149Z
LAST-MODIFIED:20260511T081149Z
UID:25036-1778760000-1778763600@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Thursday at 12:00 in Grey Room 2.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-13/
LOCATION:Madrid
CATEGORIES:Journal clubs,Scientific activities
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