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On Graviton Scattering Amplitudes in M-Theory | | Katrin Becker
; Melanie Becker
; | | Date: |
27 Dec 1997 | | Journal: | Phys.Rev. D57 (1998) 6464-6470 | | Subject: | hep-th | | Abstract: | We compute graviton scattering amplitudes in M-theory using Feynman rules for a scalar particle coupled to gravity in eleven dimensions. The processes that we consider describe the single graviton exchange and the double graviton exchange, that in M(atrix) theory correspond to the $v^4/r^7$- and $v^6/r^{14}$-term respectively. We further show that the $ v^6/r^{14}$-term appearing in M(atrix) theory at two-loops can be obtained from the covariant eleven-dimensional four-graviton amplitude. Finally, we calculate the $v^8/r^{18}$-term appearing at two-loops in M(atrix) theory. It has been previously conjectured that this term is related to a four graviton scattering amplitude involving the $R^4$-vertex of M-theory. | | Source: | arXiv, hep-th/9712238 | | Services: | Forum | Review | PDF | Favorites | |
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