Effective field theory from modified gravity with massive modes
General Relativity and Quantum Cosmology
2015-01-22 v3 Cosmology and Nongalactic Astrophysics
High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
Massive gravitational modes in effective field theories can be recovered by extending General Relativity and taking into account generic functions of the curvature invariants, not necessarily linear in the Ricci scalar R. In particular, adopting the minimal extension of f(R) gravity, an effective field theory with massive modes is straightforwardly recovered. This approach allows to evade shortcomings like ghosts and discontinuities if a suitable choice of expansion parameters is performed.
Keywords
Cite
@article{arxiv.1311.6319,
title = {Effective field theory from modified gravity with massive modes},
author = {Salvatore Capozziello and Mariafelicia De Laurentis and Mariacristina Paolella and Giulia Ricciardi},
journal= {arXiv preprint arXiv:1311.6319},
year = {2015}
}
Comments
11 pages, no figures; title and text match published version