Child Universes in the Laboratory

Details Child Universes in the Laboratory Child Universes in the Laboratory

2006-11-05

arxiv.org/abs/gr-qc/0611034v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

To appear in the proceedings of the "9th Workshop on what comes beyond the standard model", Bled, Slovenia, September 16-26, 2

Scientific paper

Although cosmology is usually considered an observational science, where there is little or no space for experimentation, other approaches can (and have been) also considered. In particular, we can change rather drastically the above, more passive, observational perspective and ask the following question: could it be possible, and how, to create a universe in a laboratory? As a matter of fact, this seems to be possible, according to at least two different paradigms; both of them help to evade the consequences of singularity theorems. In this contribution we will review some of these models and we will also discuss possible extensions and generalizations, by paying a critical attention to the still open issues as, for instance, the detectability of child universes and the properties of quantum tunnelling processes.

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