Tree-Level S-Matrices: from Einstein to Yang-Mills, Born-Infeld, and More

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• Ellis Yuan (Perimeter Institute)
• Tuesday 03 February 2015, 16:00-17:00
• DAMTP, room MR11.

If you have a question about this talk, please contact Tim Adamo.

In this talk I am going to discuss our recent and on-going work on an integral representation of tree-level S-matrices for massless particles. Starting from the formula for gravity amplitudes, I will introduce three operations acting on the integrand that produce compact and closed formulas for amplitudes in various other theories of massless bosons. In particular these includes Yang-Mills coupled to gravity, (Dirac)-Born-Infeld, U(N) non-linear sigma model, and Galileon theory. The main references are arXiv:1409.8256, arXiv:1412.3479.

This talk is part of the Mathematical Physics Seminar series.

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