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Color-kinematics duality for QCD and pure gravities

Presented by: 
Alexander Ochirov University of Edinburgh
Date: 
Friday 1st July 2016 - 14:30 to 15:30
Venue: 
INI Seminar Room 1
Abstract: 
Color-kinematics duality has been shown to be present in QCD scattering amplitudes with massive quarks. More generally, the duality was extended to gauge theories with flavored massive matter in any Lie-algebra representation, with the resulting double copy for gravitational amplitudes. In this talk, I will discuss the details of the extension, including a new decomposition of QCD amplitudes into independent color-ordered primitives, and how the duality imposes new relations between the primitives. Furthermore, I will discuss how the extension of the duality can be used to compute gravitational amplitudes with matter and how this can be used to obtain amplitudes in pure gravity theories.

Associated publications together with Henrik Johansson (Uppsala University & Nordita):
http://arxiv.org/abs/arXiv:1507.00332
http://arxiv.org/abs/arXiv:1407.4772
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons