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SUMMARY:Large N gauge theories and the Weak Gravity Conjecture
DTSTART;VALUE=DATE-TIME:20200729T060000Z
DTEND;VALUE=DATE-TIME:20200729T070000Z
DTSTAMP;VALUE=DATE-TIME:20200810T222130Z
UID:indico-event-358@cern.ch
DESCRIPTION:We classify large N limit of four-dimensional supersymmetric g
auge theories with simple gauge groups that are flowing to superconformal
fixed points. We restrict ourselves to the ones without superpotential and
with a fixed flavor symmetry. We find that many of the examples exhibitin
g free energy grows linearly in N\, instead of N^2 as expected from the ma
trix degrees of freedom of gauge theory. We also find that the ones with l
inear growth of free energy possess a dense spectrum of gauge-invariant op
erators forming a band of low conformal dimensions. We find that the AdS v
ersion of the Weak Gravity Conjecture (WGC) holds for all the cases in our
category even though many examples do not have weakly-coupled holographic
duals in AdS. This implies that the WGC goes beyond the Einstein-like sem
i-classical gravity.\n\nhttps://indico.ibs.re.kr/event/358/
LOCATION: On-line seminar
URL:https://indico.ibs.re.kr/event/358/
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