Intersecting defects in gauge theory

Abstract: I will talk about intersecting half-BPS surface defects in four-dimensional N=2 supersymmetric gauge theories. First, I will introduce transversally intersecting surface defects from D3-branes on an orbifold. Then, I will explain their correlation function satisfies a difference equation, called fractional quantum T-Q equation. I will discuss its implications on the correspondences with two-dimensional conformal field theory and XXX spin chain system.

HEP - theorymathematical physics

Audience: researchers in the topic

QFT and Geometry

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