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Graviton-Graviton Scattering, Bel-Robinson and Energy (Pseudo)-Tensors | | S. Deser
; J.S. Franklin
; D. Seminara
; | | Date: |
6 May 1999 | | Journal: | Class.Quant.Grav. 16 (1999) 2815-2821 | | Subject: | gr-qc hep-th | | Abstract: | Motivated by recent work involving the graviton-graviton tree scattering amplitude, and its twin descriptions as the square of the Bel-Robinson tensor, $B_{m
a}$, and as the "current-current interaction" square of gravitational energy pseudo-tensors $t_{a}$,we find an exact tensor-square root equality $B_{mna} = pa^2_mn t_{a}$, for a combination of Einstein and Landau-Lifschitz $t_ab$, in Riemann normal coordinates. In the process, we relate, on-shell, the usual superpotential basis for classifying pseudo-tensors with one spanned by polynomials in the curvature. | | Source: | arXiv, gr-qc/9905021 | | Services: | Forum | Review | PDF | Favorites | |
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