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SUMMARY:Nathan Haouzi (Simons Center for Geometry and Physics)
DTSTART:20200506T180000Z
DTEND:20200506T190000Z
DTSTAMP:20260422T212554Z
UID:SCGP_Physics/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SCGP_Physics
 /1/">On the Quantization of Seiberg-Witten Geometry</a>\nby Nathan Haouzi 
 (Simons Center for Geometry and Physics) as part of SCGP Zoom Physics Semi
 nar\n\n\nAbstract\nWe propose a double quantization of four-dimensional N=
 2 Seiberg-Witten geometry\, for all classical gauge groups and a wide vari
 ety of matter content. This can be understood as a set of certain non-pert
 urbative Schwinger-Dyson identities\, following the program initiated in [
 arXiv:1512.05388]. The construction relies on the computation of the insta
 nton partition function of the gauge theory on the so-called Omega-backgro
 und on R^4\, in the presence of half-BPS codimension 4 defects. The two qu
 antization parameters are identified as the two parameters of this backgro
 und. The Seiberg-Witten curve of the theory is recovered in the flat space
  limit. If time permits\, we will explain how to derive some of our result
 s from type IIA string theory.\n
LOCATION:https://researchseminars.org/talk/SCGP_Physics/1/
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SUMMARY:Martin Fluder (Princeton University)
DTSTART:20200513T180000Z
DTEND:20200513T190000Z
DTSTAMP:20260422T212554Z
UID:SCGP_Physics/2
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SCGP_Physics
 /2/">The supersymmetric Cardy formula from effective actions</a>\nby Marti
 n Fluder (Princeton University) as part of SCGP Zoom Physics Seminar\n\n\n
 Abstract\nIn this talk\, I will discuss supersymmetric Cardy formulae in d
 =4 and d=6. These formulae govern the universal behavior in the high-tempe
 rature regime of supersymmetric partition functions — or\, in the case o
 f the superconformal index\, they govern the high-energy asymptotics of SU
 SY operators at large energy. I will outline the proof of the 6d and 4d Ca
 rdy formulae for theories with moduli spaces of vacua\, which relies on an
  effective supersymmetric Chern-Simons action in 5d and 3d\, respectively.
  I will argue that this effective action is universal and intimately relat
 ed to perturbative as well as global gravitational anomalies. Finally\, I 
 will discuss some immediate consequences of our results and briefly compar
 e and distinguish our results to other (more recent) proposals for Cardy f
 ormulae.\n
LOCATION:https://researchseminars.org/talk/SCGP_Physics/2/
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