Dual RG flows in 4D SQCD

Preprint number: CP3-Origins-2018-19 DNRF90
Authors: Steven Abel (IPPP Durham University, UK), Borut Bajc (J. Stefan Institute Ljubljana, Slovenia), and Francesco Sannino (CP3-Origins & DIAS, DK)

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We propose to use of the a central charge to determin the flow in a strongly coupled supersymmetric theory via its weakly coupled dual. Our approach uses the equivalence of the scale-dependent a-parameter stemming from the four-dilaton amplitude and the a-parameter determined via the Lagrange multiplier method with flowing R-charges. We demonstrate that the equivalence holds for massive free N = 1 super- fields and weakly coupled SQCD.