Journal of High Energy Physics (Jul 2020)
The pure BRST Einstein-Hilbert Lagrangian from the double-copy to cubic order
Abstract
Abstract We construct the pure gravity Becchi-Rouet-Stora-Tyutin (BRST) Einstein-Hilbert Lagrangian, to cubic order, using the BRST convolution product of two Yang-Mills theories, in conjunction with the Bern-Carrasco-Johansson (BCJ) double-copy.
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