HET-seminar: Silvia Nagy
Speaker: Silvia Nagy
Title: From Yang-Mills to gravity via ghosts
Abstract: I will present a formulation of gravity as a double copy of gauge theories in the context of the Becchi-Rouet-Stora-Tyutin (BRST) formalism. I will show how this gives an algorithm for consistently mapping gauge choices from YM to gravity. Moreover, it resolves the issue of the dilaton degree of freedom arising in the double copy, thus allowing for the consistent construction of solutions in General Relativity. Finally, I will sketch the perturbative description, as well as the formulation of the BRST double copy in a non-trivial background.