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Abstract: We discuss scattering of fundamental matter in the planar and strong couplinglimit via the AdS-CFT correspondence, generalizing the recently proposedcalculation for adjoint matter due to Alday and Maldacena arXiv:0705.0303.Color decomposition of quark amplitudes is a key property allowing to repeatthe procedure in the case of fundamental matter and to derive the relation ofthese strong coupling amplitudes to minimal area problems. We present theresults for two different D3-D7 systems, one is only conformal in the planarlimit and the other is exactly conformal. Our results suggest a universalbehavior of scattering amplitudes at strong coupling and planar limit both forgluons and quarks.



Autor: Zohar Komargodski, Shlomo S. Razamat

Fuente: https://arxiv.org/







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