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SUMMARY:Reduction of  couplings and its implementation in  SUSY and non-SU
 SY models
DTSTART:20260825T070000Z
DTEND:20260825T083000Z
DTSTAMP:20260830T080400Z
UID:indico-event-433@indico.kias.re.kr
DESCRIPTION:Speakers: Myriam Mondragón (UNAM)\n\nTitle: Reduction of  co
 uplings and its implementation in  SUSY and non-SUSY models\nSpeaker: Myr
 iam Mondragón\nAbstract: \n\nThe Reduction of Couplings (RoC) method is 
 a powerful tool for addressing the problem of the excess of parameters in 
 a field theory\, as it yields relations among couplings that are invariant
  under the renormalization group. Its usefulness becomes particularly evid
 ent when constructing predictive N = 1 supersymmetric Grand Unified Theori
 es that are free of UV divergences\, that is whose beta function vanishes 
 at all-loops. Although highly predictive\, \nonly a few GUT theories can 
 become  finite at all loops\, or even at 2-loops. In this talk we review 
 the basic idea\, the tools that have been developed\, as well as some of t
 he resulting theories in which successful reduction of couplings has been 
 achieved so far.\nThen by assuming that the finite GUTs are connected to a
 n effective N = 1\, d = 4Weyl-invariant SUGRA theory\, we show that this l
 eads to a specific form of the Kähler potential\, whose structure coincid
 es with that studied in no-scale supergravity scenarios\, and thus to Star
 obinsky inflation models.\nFinally we briefly show how the RoC method can 
 also be applied in non-SUSY multi-Higgs models\, and its usefulness.\n \n
 \n\nhttps://indico.kias.re.kr/event/433/
LOCATION:Room 1423 (KIAS)
URL:https://indico.kias.re.kr/event/433/
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