On the ghost issue of extended quasidilaton
General Relativity and Quantum Cosmology
2017-11-29 v3 High Energy Physics - Theory
Abstract
We report on our independent investigations of the puzzle of cosmological perturbations in extended quasidilaton. We confirm the claims of presence of the Boulware-Deser ghost. We use both the language of cosmological perturbations with broken diffeomorphisms and the Stuckelberg approach.
Keywords
Cite
@article{arxiv.1706.07215,
title = {On the ghost issue of extended quasidilaton},
author = {Alexey Golovnev and Aleksandr Trukhin},
journal= {arXiv preprint arXiv:1706.07215},
year = {2017}
}
Comments
6 pages; some formulae corrected; version accepted by PRD