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Planckian Energy Scattering and Surface Terms in the Gravitational Action | | M. Fabbrichesi
; R. Pettorini
; G. Veneziano
; G.A. Vilkovisky
; | | Date: |
7 Sep 1993 | | Subject: | hep-th gr-qc | | Abstract: | This is a revised version of our previous paper by the same name and preprint number. It contains various changes, two figures and new results in sect.5. We propose a new approach to four-dimensional Planckian-energy scattering in which the phase of the ${cal S}$-matrix is written---to leading order in $hbar$ and to all orders in $R/b =Gs/J$---in terms of the surface term of the gravity action and of a boundary term for the colliding quanta. The proposal is checked at the leading order in $R/b$ and also against some known examples of scattering in strong gravitational fields. | | Source: | arXiv, hep-th/9309037 | | Services: | Forum | Review | PDF | Favorites | |
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