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Chiral correlators in N=2 superconformal quivers

Francesco Galvagno, Michelangelo Preti

31/12/20 Published in : arXiv:2012.15792

We consider a family of \mathcal{N}=2 superconformal field theories in four dimensions, defined as \mathbb{Z}_q orbifolds of \mathcal{N}=4 Super Yang-Mills theory. We compute the chiral/anti-chiral correlation functions at a perturbative level, using both the matrix model approach arising from supersymmetric localisation on the four-sphere and explicit field theory calculations on the flat space using the \mathcal{N}=1 superspace formalism. We implement a highly efficient algorithm to produce a large number of results for finite values of N, exploiting the symmetries of the quiver to reduce the complexity of the mixing between the operators. Finally the interplay with the field theory calculations allows to isolate special observables which deviate from \mathcal{N}=4 only at high orders in perturbation theory.

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Phase I & II research project(s)

  • String Theory

Exponential BPS graphs and D brane counting on toric Calabi-Yau threefolds: Part I

On the BPS spectrum of 5d SU(2) super-Yang-Mills

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The National Centres of Competence in Research (NCCRs) are a funding scheme of the Swiss National Science Foundation

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