Built on

E. Witten, Phases of N=2 theories in two-dimensions
1993
Earlier work this paper cites.
J. C. Jeffrey and F. C. Kirwan, Localization for non-abelian group actions
1995
Earlier work this paper cites.
A. Hanany and K. Hori, Branes and N=2 theories in two-dimensions
1998
Earlier work this paper cites.
U. Bruzzo, F. Fucito, J. F. Morales, and A. Tanzini, Multi-instanton calculus and equivariant cohomology
2003
Earlier work this paper cites.
N. Nekrasov, Seiberg-Witten prepotential from instanton counting
2004
Earlier work this paper cites.
R. Flume, F. Fucito, J. F. Morales, and R. Poghossian, Matone’s relation in the presence of gravitational couplings
2004
Earlier work this paper cites.
N. Nekrasov and A. Okounkov, Seiberg-Witten theory and random partitions
2006
Earlier work this paper cites.
N. A. Nekrasov and S. L. Shatashvili, Quantum integrability and supersymmetric vacua
Original
2009
Earlier work this paper cites.
S. Gukov and E. Witten, Rigid Surface Operators
Original
2010
Earlier work this paper cites.

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2019

Surface operators in N=2 SQCD and Seiberg Duality

Ashok, Sujay K., Ballav, Sourav, Frau, Marialuisa et al.

Understand

We study half-BPS surface operators in N=2supersymmetric asymptotically conformal gauge theories in four dimensions with SU(N) gauge group and 2N fundamental flavours using localization methods and coupled 2d/4d quiver gauge theories.

We show that contours specified by a particular Jeffrey-Kirwan residue prescription in the localization analysis map to particular realizations of the surface operator as flavour defects.
Seiberg duality of the 2d/4d quivers is mapped to contour deformations of the localization integral which in this case involves a residue at infinity.
This is reflected as a modified Seiberg duality rule that shifts the Lagrangian of the purported dual theory by non-perturbative terms.

Built on

E. Witten, Phases of N=2 theories in two-dimensions
1993
Earlier work this paper cites.
J. C. Jeffrey and F. C. Kirwan, Localization for non-abelian group actions
1995
Earlier work this paper cites.
A. Hanany and K. Hori, Branes and N=2 theories in two-dimensions
1998
Earlier work this paper cites.
U. Bruzzo, F. Fucito, J. F. Morales, and A. Tanzini, Multi-instanton calculus and equivariant cohomology
2003
Earlier work this paper cites.
N. Nekrasov, Seiberg-Witten prepotential from instanton counting
2004
Earlier work this paper cites.
R. Flume, F. Fucito, J. F. Morales, and R. Poghossian, Matone’s relation in the presence of gravitational couplings
2004
Earlier work this paper cites.
N. Nekrasov and A. Okounkov, Seiberg-Witten theory and random partitions
2006
Earlier work this paper cites.
N. A. Nekrasov and S. L. Shatashvili, Quantum integrability and supersymmetric vacua
Original
2009
Earlier work this paper cites.
S. Gukov and E. Witten, Rigid Surface Operators
Original
2010
Earlier work this paper cites.