Graviton-Form Invariants in D=11 Supergravity
arXiv:hep-th/0506073 · doi:10.1103/PhysRevD.72.027701
Abstract
We complete an earlier derivation of the 4-point bosonic scattering amplitudes, and of the corresponding linearized local supersymmetric invariants in D=11 supergravity, by displaying the form-curvature, F^2 R^2, terms.
2 pages. One typo corrected; note added on comparison with D=10 string expansion invariants. Accepted for publication in Phys. Rev. D15