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Correlators between Wilson loop and chiral operators in N= 2 conformal gauge theories

Articolo
Data di Pubblicazione:
2018
Abstract:
We consider conformal N = 2 super Yang-Mills theories with gauge group SU(N ) and Nf = 2N fundamental hypermultiplets in presence of a circular 1/2-BPS Wil- son loop. It is natural to conjecture that the matrix model which describes the expectation value of this system also encodes the one-point functions of chiral scalar operators in pres- ence of the Wilson loop. We obtain evidence of this conjecture by successfully comparing, at finite N and at the two-loop order, the one-point functions computed in field theory with the vacuum expectation values of the corresponding normal-ordered operators in the matrix model. For the part of these expressions with transcendentality ζ(3), we also obtain results in the large-N limit that are exact in the ’t Hooft coupling λ.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Conformal Field Theory, Extended Supersymmetry, Supersymmetric Gauge Theory, Wilson; ’t Hooft and Polyakov loops
Elenco autori:
Billò, M.; Galvagno, F.; Gregori, P.; Lerda, A.
Autori di Ateneo:
BILLO' Marco
Link alla scheda completa:
https://iris.unito.it/handle/2318/1669996
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1669996/418238/Bill%F22018_Article_CorrelatorsBetweenWilsonLoopAn.pdf
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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URL

http://link.springer.com/journal/13130
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