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Lagrangian insertion in the light-like limit and the super-correlators/super-amplitudes duality
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2016 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 2, 030Article in journal (Refereed) PublishedText
Abstract [en]

In these notes we describe how to formulate the Lagrangian insertion technique in a way that mimics generalized unitarity. We introduce a notion of cuts in position space and show that the cuts of the correlators in the super-correlators/super-amplitudes duality correspond to generalized unitarity cuts of the equivalent amplitudes. The cuts consist of correlation functions of operators in the chiral part of the stress-tensor multiplet as well as other half-BPS operators. We will also discuss the application of the method to other correlators as well as non-planar contributions.

Place, publisher, year, edition, pages
2016. no 2, 030
Keyword [en]
Scattering Amplitudes, Wilson, 't Hooft and Polyakov loops, Duality in Gauge Field Theories, 1/N Expansion
National Category
Subatomic Physics
URN: urn:nbn:se:uu:diva-280257DOI: 10.1007/JHEP02(2016)030ISI: 000369532700001OAI: diva2:910488
Knut and Alice Wallenberg Foundation, KAW 2013.0235
Available from: 2016-03-09 Created: 2016-03-09 Last updated: 2016-03-09Bibliographically approved

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Engelund, Oluf Tang
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