Three-point functions in duality-invariant higher-derivative gravity
Author(s)Naseer, Usman; Zwiebach, Barton
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Doubled α′-geometry is the simplest higher-derivative gravitational theory with exact global duality symmetry. We use the double metric formulation of this theory to compute on-shell three-point functions to all orders in α′. A simple pattern emerges when comparing with the analogous bosonic and heterotic three-point functions. As in these theories, the amplitudes factorize. The theory has no Gauss-Bonnet term, but contains a Riemann-cubed interaction to second order in α′.
DepartmentMassachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics
Journal of High Energy Physics
Naseer, Usman, and Barton Zwiebach. "Three-point functions in duality-invariant higher-derivative gravity." Journal of High Energy Physics 147 (March 2016), pp.1-19.
Final published version