On the possibility of Dark Energy from corrections to the Wheeler-De Witt equation

Details On the possibility of Dark Energy from corrections to the Wheeler-De Witt equation On the possibility of Dark Energy from corrections to the Wheeler-De Witt equation

2007-09-11

arxiv.org/abs/0709.1625v2

Phys.Lett.B661:37-41,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 1 figure. Minor modifications to match version to appear in Phys. Let. B

Scientific paper

10.1016/j.physletb.2008.01.060

We present a method for approximating the effective consequence of generic quantum gravity corrections to the Wheeler-DeWitt equation. We show that in many cases these corrections can produce departures from classical physics at large scales and that this behaviour can be interpreted as additional matter components. This opens up the possibility that dark energy (and possible dark matter) could be large scale manifestations of quantum gravity corrections to classical general relativity. As a specific example we examine the first order corrections to the Wheeler-De Witt equation arising from loop quantum cosmology in the absence of lattice refinement and show how the ultimate breakdown in large scale physics occurs.

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