Gowdy $T^3$ Cosmological Models in N=1 Supergravity

Details Gowdy $T^3$ Cosmological Models in N=1 Supergravity Gowdy $T^3$ Cosmological Models in N=1 Supergravity

2005-05-03

arxiv.org/abs/gr-qc/0505013v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

25 pages and 2 figures

Scientific paper

10.1063/1.2399683

We investigate the canonical quantization of supergravity N=1 in the case of a midisuperspace described by Gowdy $T^3$ cosmological models. The quantum constraints are analyzed and the wave function of the universe is derived explicitly. Unlike the minisuperspace case, we show the existence of physical states in midisuperspace models. The analysis of the wave function of the universe leads to the conclusion that the classical curvature singularity present in the evolution of Gowdy models is removed at the quantum level due to the presence of the Rarita-Schwinger field.

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