KLT relations from the Einstein-Hilbert Lagrangian

Details KLT relations from the Einstein-Hilbert Lagrangian KLT relations from the Einstein-Hilbert Lagrangian

2007-06-13

arxiv.org/abs/0706.1778v1

Phys.Lett.B652:128-134,2007

Physics

High Energy Physics

High Energy Physics - Theory

9 pages

Scientific paper

10.1016/j.physletb.2007.07.003

The Kawai-Lewellen-Tye (KLT) relations derived from string theory tell us
that perturbative gravity amplitudes are the "square" of the corresponding
amplitudes in gauge theory. Starting from the light-cone Lagrangian for pure
gravity we make these relations manifest off-shell, for three- and
four-graviton vertices, at the level of the action.

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