A quantum cosmology and discontinuous signature changing classical solutions

Details A quantum cosmology and discontinuous signature changing classical solutions A quantum cosmology and discontinuous signature changing classical solutions

2004-11-28

arxiv.org/abs/gr-qc/0411133v2

Gen.Rel.Grav. 38 (2006) 1355-1366

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, Latex, title and abstract changed, some cghanges in the text, to appear in GRG

Scientific paper

10.1007/s10714-006-0315-0

We revisit the classical and quantum cosmology of a universe in which a self interacting scalar field is coupled to gravity with a flat FRW type metric undergoing continuous signature transition. We arrange for quantum cosmologically allowed discontinuity in the classical solutions at the signature changing hypersurface, provided these solutions be dual in some respects. This may be of some importance in the study of early universe within the signature changing scenarios.

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