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From conformal to Einstein gravity on twistor space

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There have been numerous recent results in our understanding of scattering amplitudes in gauge theory and gravity, many of which have been influenced by something called twistor theory. This talk will explore how we can study general relativity using twistor action functionals by exploiting the embedding of Einstein gravity inside conformal gravity (a conformally invariant theory with 4th-order equations of motion). This has implications for the study of “scattering amplitudes” in (anti-)de Sitter space, the existence of a MHV formalism for gravity, and several other (hopefully) exciting arenas.

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

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