Cutkosky rules and unitarity (violation) in D-instanton amplitudes
Abstract In perturbative amplitudes in quantum field theory and string field theory, Cutkosky rule expresses the anti-hermitian part of a Feynman diagram in terms of sum over all its cut diagrams, and this in turn is used to prove unitarity of the theory. For D-instanton contribution to a string the...
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
SpringerOpen
2021-07-01
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| Schriftenreihe: | Journal of High Energy Physics |
| Schlagworte: | |
| Online-Zugang: | https://doi.org/10.1007/JHEP07(2021)205 |
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