Generalized Galileons: All scalar models whose curved background extensions maintain second-order field equations and stress tensors

Details Generalized Galileons: All scalar models whose curved background extensions maintain second-order field equations and stress tensors Generalized Galileons: All scalar models whose curved background extensions maintain second-order field equations and stress tensors

2009-06-10

arxiv.org/abs/0906.1967v2

Phys.Rev.D80:064015,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, no figure, RevTeX4 format; v2: reference added, final form for publication

Scientific paper

10.1103/PhysRevD.80.064015

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.

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