Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2008-03-11
Int.J.Mod.Phys.A23:1286-1289,2008
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
4 pages, to appear in Proceedings of the II Stueckelberg Workshop - Int. J. Mod. Phys. A
Scientific paper
10.1142/S0217751X0804024X
We will analyze two particular features of an exponential gravitational Lagrangian. On the one hand, while this choice of the Lagrangian density allows for two free parameters, only one scale, the cosmological constant, arises as fundamental when the proper Einsteinian limit is to be recovered. On the other hand, the vacuum energy arising from $f(R)$ theories such that $f(0)\neq 0$ needs a cancellation mechanism, by which the present value of the cosmological constant can be recast.
Lecian Orchidea Maria
Montani Giovanni
No associations
LandOfFree
Exponential Lagrangian for the Gravitational Field and the problem of Vacuum Energy does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Exponential Lagrangian for the Gravitational Field and the problem of Vacuum Energy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exponential Lagrangian for the Gravitational Field and the problem of Vacuum Energy will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-286412