The Complete One-Loop Dilation Operator of N=2 SuperConformal QCD

Details The Complete One-Loop Dilation Operator of N=2 SuperConformal QCD The Complete One-Loop Dilation Operator of N=2 SuperConformal QCD

2011-05-19

arxiv.org/abs/1105.3972v1

Physics

High Energy Physics

High Energy Physics - Theory

37 pages

Scientific paper

We evaluate the full planar one-loop dilation operator of N=2 SuperConformal QCD, the SU(N_c) super Yang-Mills theory with N_f = 2 N_c fundamental hypermultiplets, in the flavor-singlet sector. Remarkably, the spin-chain Hamiltonian turns out to be completely fixed by superconformal symmetry, as in N=4 SYM. We present a more general calculation, for the superconformal quiver theory with SU(N_c)X SU(N_c) gauge group, which interpolates between N=2 SCQCD and the Z_2 orbifold of N=4 SYM; here symmetry fixes the Hamiltonian up to a single parameter, corresponding to the ratio of the two marginal gauge couplings.

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