Generalized Modified Gravity Models: ghosts and dynamical bounds
APA
De Felice, A. (2006). Generalized Modified Gravity Models: ghosts and dynamical bounds. Perimeter Institute. https://pirsa.org/06110021
MLA
De Felice, Antonio. Generalized Modified Gravity Models: ghosts and dynamical bounds. Perimeter Institute, Nov. 28, 2006, https://pirsa.org/06110021
BibTex
@misc{ pirsa_PIRSA:06110021, doi = {10.48660/06110021}, url = {https://pirsa.org/06110021}, author = {De Felice, Antonio}, keywords = {Cosmology}, language = {en}, title = {Generalized Modified Gravity Models: ghosts and dynamical bounds}, publisher = {Perimeter Institute}, year = {2006}, month = {nov}, note = {PIRSA:06110021 see, \url{https://pirsa.org}} }
Yukawa Institute for Theoretical Physics
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Abstract
Modified gravity models seem to have classical instabilities, ghosts degrees of freedom and superluminal modes. Besides these constraints new dynamical bounds have found to be typical of these models. The cosmological nature of all these constraints is discussed.