Generalized Galileons: All scalar models whose curved background extensions maintain second-order field equations and stress tensors
Délégation Paris 7 · Commissariat à l'Énergie Atomique et aux Énergies Alternatives · +7 more institutions
Abstract
We extend to curved backgrounds all flat-space scalar field models that obey purely second-order equations, while maintaining their second-order dependence on both field and metric. This extension simultaneously restores to second order the, originally higher derivative, stress tensors as well. The process is transparent and uniform for all dimensions.
Citation impact
- FWCI
- 24.78
- Percentile
- 100%
- References
- 8
Authors
3- CDCédric DeffayetCorresponding
Délégation Paris 7, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Laboratoire AstroParticule et Cosmologie, Centre National de la Recherche Scientifique, Université Paris Cité
- SDS. Deser
Laboratoire AstroParticule et Cosmologie, Centre National de la Recherche Scientifique, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Brandeis University, Université Paris Cité, California Institute of Technology
- GEGilles Esposito-Farèse
Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Laboratoire AstroParticule et Cosmologie, Université Paris Cité, Institut d'Astrophysique de Paris, Sorbonne Université, Centre National de la Recherche Scientifique
Topics & keywords
- Scalar field
- Scalar (mathematics)
- Field (mathematics)
- Extension (predicate logic)
- Order (exchange)
- Field equation
- Space (punctuation)
- Metric (unit)