Causality Constraints on Gravitational Effective Field Theories
We consider the effective field theory of gravity around black holes, and show that the coefficients of the dimension-8 operators are tightly constrained by causality considerations. Those constraints are consistent with - but tighter than - previously derived causality and positivity bounds and imp...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2022
|
| Subjects: | |
| Online Access: | View Fulltext in Publisher |