(De)constructing Intersecting M5-branes

Details (De)constructing Intersecting M5-branes (De)constructing Intersecting M5-branes

2002-12-12

arxiv.org/abs/hep-th/0212136v1

Phys.Rev.D67:106005,2003

Physics

High Energy Physics

High Energy Physics - Theory

latex, 25 pages, 4 figures

Scientific paper

10.1103/PhysRevD.67.106005

We describe intersecting M5-branes, as well as M5-branes wrapping the holomorphic curve xy=c, in terms of a limit of a defect conformal field theory with two-dimensional (4,0) supersymmetry. This dCFT describes the low-energy theory of intersecting D3-branes at a C^2/Z_k orbifold. In an appropriate k -> infinity limit, two compact spatial directions are generated. By identifying moduli of the M5-M5 intersection in terms of those of the dCFT, we argue that the SU(2)_L R-symmetry of the (4,0) defect CFT matches the SU(2) R-symmetry of the N =2, d=4 theory of the M5-M5 intersection. We find a 't Hooft anomaly in the SU(2)_L R-symmetry, suggesting that tensionless strings give rise to an anomaly in the SU(2) R-symmetry of intersecting M5-branes.

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