http://arxiv.org/abs/1505.03672
Dark energy is investigated from the perspective of quantum cosmology. By treating the existence of a classical universe as a constraint, it is found that the normal ordering ambiguity factor q in Wheeler-DeWitt equation tends to take its value on domain (-1, 3). Furthermore, to ensure the existence of a classical universe, there must be dark energy in the universe. It is in this sense we propose that dark energy is the reason for the existence of a classical universe.
P. Huang, Y. Huang, M. Li, et. al.
Fri, 15 May 15
30/71
Comments: 10 pages, no figures