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Gravity as a double copy of gauge theory

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I will give an overview of the relations expressing gravity as a “double copy” of gauge theory. These relations appeared first in string theory, and have been used to compute scattering amplitudes in theories of (super)gravity. At the level of perturbative amplitudes, I will briefly review current research topics such as the colour-kinematics duality in gauge theory and the new formalism of the scattering equations. I will then discuss the extension of the double-copy procedure to classical solutions in general relativity, including our best known black hole spacetimes.

This talk is part of the Quantum Fields and Strings Seminars series.

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