Video URL

https://pirsa.org/08060179

A Singularity Problem with f(R) Dark Energy

Frolov, A. (2008). A Singularity Problem with f(R) Dark Energy. Perimeter Institute for Theoretical Physics. https://pirsa.org/08060179

Frolov, Andrei. A Singularity Problem with f(R) Dark Energy. Perimeter Institute for Theoretical Physics, Jun. 06, 2008, https://pirsa.org/08060179 

          @misc{ scivideos_PIRSA:08060179,
            doi = {10.48660/08060179},
            url = {https://pirsa.org/08060179},
            author = {Frolov, Andrei},
            keywords = {Quantum Fields and Strings, Particle Physics, Cosmology},
            language = {en},
            title = {A Singularity Problem with f(R) Dark Energy},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2008},
            month = {jun},
            note = {PIRSA:08060179 see, \url{https://scivideos.org/index.php/pirsa/08060179}}
          }

Andrei Frolov Simon Fraser University (SFU)

DOI 10.48660/08060179
Source Repository PIRSA
Collection
Talk Type Conference
Subject

Abstract

I point out that there is a curvature singularity problem appearing on non-linear level that generally plagues f(R) models that modify Einstein gravity in the infrared. It is caused by the fact that for the effective scalar degree of freedom, the curvatur