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DTSTART;TZID=Europe/Madrid:20260326T120000
DTEND;TZID=Europe/Madrid:20260326T130000
DTSTAMP:20260423T224413
CREATED:20260321T100551Z
LAST-MODIFIED:20260321T103609Z
UID:24654-1774526400-1774530000@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club: 'Powerful Yukawas'
DESCRIPTION:Every Thursday at 12:00 in Grey Room 2. \nMarta Fuentes (IFT)\, will present “Powerful Yukawas”.\n\nWe introduce a class of models where the masses of the light Standard Model fermions are due to an Effective Field Theory operator that appears beyond dimension-4 in the power counting expansion\, resulting in a `Powerful Yukawa’. The effective Yukawa coupling structure is UV-completed using a collective symmetry breaking pattern in the flavour sector\, which we dub `Sprouted Symmetry Breaking.’ The irreducible signature is an enhanced Higgs coupling to the light Standard Model fermions.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-powerful-yukawas/
LOCATION:Grey Room 2\, Instituto de Física Teórica\, Madrid\, Madrid\, 28037\, Spain
CATEGORIES:Journal clubs,Scientific activities
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DTSTART;TZID=Europe/Madrid:20260326T120000
DTEND;TZID=Europe/Madrid:20260326T130000
DTSTAMP:20260423T224413
CREATED:20260321T100921Z
LAST-MODIFIED:20260321T100921Z
UID:24655-1774526400-1774530000@www.ift.uam-csic.es
SUMMARY:SPS Journal Club: 'M-theory on S^1 \vee S^1 as Type 0A'
DESCRIPTION:Strings\, Pheno & The Swampland Journal Club | Every Thursday at 12:00 in the Red Room. \nSpeaker: Salvatore Raucci (IFT) \nTitle: ‘M-theory on S^1 \vee S^1 as Type 0A’ \nAbstract: We propose an exotic geometric M-theory dual for the weak coupling Type 0A string: compactification on a sub-Planckian S^1 \vee S^1 (two circles connected at a point)\, where strong quantum effects lead to fields living on distinct resolutions of that space. Moreover we argue that tachyon condensation of the 0A theory corresponds to shrinking of one of the two circles leading to the IIA supersymmetric string. We use this and other dualities to provide an F-theoretic description of the axio-dilaton and the tachyonic field of Type 0B and argue for the existence of a strong coupling critical point of the potential using the resulting duality symmetry Γ_0(2) ⊂ SL(2\,Z). The existence of this critical point can also be argued using conventional M-theory dualities. If this critical point is unique it is an unstable dS vacuum. Using this we propose a strong coupling conformal fixed point for a non-supersymmetric gauge theory in four dimensions living on coincident D3^+ — D3^- branes of 0B.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-m-theory-on-s1-vee-s1-as-type-0a/
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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