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SUMMARY:Stefanos Kousvos (UOC)
DTSTART:20200528T111500Z
DTEND:20200528T121500Z
DTSTAMP:20260513T213202Z
UID:CCTP_HEP/4
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CCTP_HEP/4/"
 >Bootstrapping theories with $O(m)\\times O(n)$ global symmetry in three d
 imensions</a>\nby Stefanos Kousvos (UOC) as part of CCTP HEP Seminars\n\n\
 nAbstract\nI will discuss recent work performed with Johan Henriksson and 
 Andreas Stergiou studying O(m)xO(n) conformal field theories in three dime
 nsions. Motivated by phase transitions in three-dimensional systems\, as w
 ell as open theoretical questions\, we will focus on the $O(2)\\times O(n)
 $ case. We study different values of $n$\, for $n$ sufficiently large we f
 ind excellent agreement with large $n$ predictions for scaling dimensions 
 of operators. For $n=3$ we find closed isolated regions (islands) in param
 eter space that do not correspond to the ordinary fixed points of the $d=4
 -e$ expansion\, we attribute these regions of parameter space to fixed poi
 nts conjectured to arise due to resummations of perturbative beta function
 s.\n
LOCATION:https://researchseminars.org/talk/CCTP_HEP/4/
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