Wormholes in Simplicial Minisuperspace

Details Wormholes in Simplicial Minisuperspace Wormholes in Simplicial Minisuperspace

2000-04-12

arxiv.org/abs/gr-qc/0004035v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

33 pages and 15 figures. Submitted to Classical and Quantum Gravity

Scientific paper

Using simplicial minisuperspace techniques we obtain a wormhole configuration, capable of modelling both a throat between two equal Euclidean and Lorentzian universes. Computing the wavefunction associated to such configuration we conclude that for Planck-size Euclidean wormholes there is a prediction of a finite non-vanishing radius of their throat, even in the absence of matter. The wavefunction associated to their Lorentzian counterparts predicts the growth of the wormhole's throat as the two Lorentzian universes expand.

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