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Gravitational Effective Field Theory Islands, Low-Spin Dominance, and the Four-Graviton Amplitude
We analyze constraints from perturbative unitarity and crossing on the leading contributions of higher-dimension operators to the four-graviton amplitude in four spacetime dimensions, including constraints that follow from distinct helicity configurations. We focus on the leading-order effect due to...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2021
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1751-8121/ac0e51 http://cds.cern.ch/record/2759011 |