Quantum Cosmology and the Arrow of Time

Details Quantum Cosmology and the Arrow of Time Quantum Cosmology and the Arrow of Time

2005-02-03

arxiv.org/abs/gr-qc/0502016v1

Braz.J.Phys. 35 (2005) 296-299

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, contribution to the Proceedings of the conference DICE2004, Piombino, Italy, September 2004

Scientific paper

Although most fundamental laws are invariant under time reversal, experience exhibits the presence of irreversible phenomena -- the arrows of time. Their origin lies in cosmology, and I argue that only quantum cosmology can provide the appropriate formal framework. After briefly reviewing the formalism, I discuss how a simple and natural boundary condition can lead to the observed arrows of time. This yields at the same time interesting consequences for black holes.

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