A spherically symmetric and stationary universe from a weak modification of general relativity

Details A spherically symmetric and stationary universe from a weak modification of general relativity A spherically symmetric and stationary universe from a weak modification of general relativity

2009-03-21

arxiv.org/abs/0903.3645v2

Europhys.Lett.86:20004,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Accepted for publication by Europhysics Letters

Scientific paper

10.1209/0295-5075/86/20004

It is shown that a weak modification of general relativity, in the linearized approach, renders a spherically symmetric and stationary model of the universe. This is due to the presence of a third mode of polarization in the linearized gravity in which a "curvature" energy term is present. Such an energy can, in principle, be identified as the Dark Energy. The model can also help to a better understanding of the framework of the Einstein-Vlasov system.

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