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SUMMARY:New insights into two-loop running in effective field theories
DTSTART;VALUE=DATE-TIME:20251119T171500Z
DTEND;VALUE=DATE-TIME:20251119T173000Z
DTSTAMP;VALUE=DATE-TIME:20260421T035127Z
UID:indico-contribution-28639@indico.ific.uv.es
DESCRIPTION:Speakers: Javier López Miras (Universidad de Granada)\nWe pre
 sent a novel approach to compute two-loop beta functions in effective fiel
 d theories obtained via dimensional reduction from five to four dimensions
 . We isolate UV divergences in the 4D theory from the IR divergences arisi
 ng in the matching procedure (remarkably 1 and 2 loop UV divergences in 5D
  vanish). This method provides a straightforward way to disentangle 4D fro
 m 5D contributions\, allowing the computation of 4D two-loop beta function
 s without introducing infrared regulators or employing more intricate tech
 niques such as R*-methods. Our approach thus offers a clean\, efficient\, 
 and conceptually transparent alternative for higher-order renormalization 
 in dimensionally reduced effective field theories.\n\nhttps://indico.ific.
 uv.es/event/8035/contributions/28639/
LOCATION:
URL:https://indico.ific.uv.es/event/8035/contributions/28639/
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