21 February - 21 February
"High-Energy Behavior of Scattering Amplitudes in Theories with Purely Virtual Particles" by Dr. Marco Piva, University of Warsaw
Starts at 18:00
We are pleased to announce that the next ITMP seminar will be held on Wednesday, Nov 17, at 18:00 (Moscow time). It will be arranged via zoom.
Speaker: Dr. Tommaso Macrelli, Surrey University
Title: Colour-kinematic duality, double copy and homotopy algebras
Abstract: While colour-kinematic duality and double copy are a well established paradigm at tree level, their loop level generalisation remained for a long time an unsolved problem. Lifting the on-shell, scattering amplitude-based description to an action-based approach, we show that a theory that exhibits tree level colour-kinematic duality can be reformulated in a way such that its loop integrands manifest colour-kinematic duality.
After a review of Batalin-Vilkovisky formalism and homotopy algebras, we discuss how these structures emerge in quantum field theory and gravity. We focus then on the application of these sophisticated mathematical tools to colour-kinematic duality and double copy, introducing an adequate notion of colour-kinematic factorisation.
If you want to join the seminar please register here before 14:00, November 17 here.
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