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Covariant string theory Feynman amplitudes |
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| Affiliation: | 1. College of Chemical Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing, 100029, China;2. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing, 100029, China |
| Abstract: | The covariant string amplitudes on a strip with the associated Feynman rules are considered. The contribution of the Faddeev-Popov ghost is evaluated. The overlap vertex (coming from a δ-function interaction) is constructed. The corresponding scattering diagrams are shown to give the standard Veneziano model answer. The ghosts provide the necessary contribution to the measure. |
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