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Higher dimensional conformal field theories in the Coulomb branch

We use the AdS/CFT correspondence to study flows of N=4 SYM to non-conformal theories. The dual geometries can be seen as sourced by a Wigner's semicircle distribution of D3 branes. We consider two cases, the first case corresponds to a point in the Coulomb branch and the theory flows to a six dimensional conformal field theory. In the second case a mass is introduced for a hypermultiplet and the theory flows to a five dimensional conformal field theory. We argue from the gravity and the field theory side that the low energy theories correspond to the (2,0) theory in six dimensions and to a theory with exceptional global symmetry $E_1$ in five dimensions.