RnR^n gravity and the chameleon

Jun, 2011
5 pages
Published in:
  • Phys.Rev.D 83 (2011) 124044
e-Print:

Citations per year

20112014201720202023012345
Abstract: (arXiv)
The Solar System bounds on R^n gravity are often ignored in the literature by invoking the chameleon mechanism. We show that in order for the latter to work, the exponent n must be ridicolously close to unity and, therefore, these theories are severely constrained.
  • 04.50.Kd
  • 98.80.Jk
  • 04.50.-h
  • modified gravity
  • acceleration of the universe
  • gravitation: f(R)
  • chameleon
  • solar system
  • validity test
  • expansion: acceleration