Cosmology in two-dimensional dilaton gravity theories

Details Cosmology in two-dimensional dilaton gravity theories Cosmology in two-dimensional dilaton gravity theories

2006-07-10

arxiv.org/abs/gr-qc/0607040v1

Nuovo Cim.B121:661-673,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

19 pages

Scientific paper

10.1393/ncb/i2006-10104-0

We study some aspects of classical & quantum cosmology in the context of two-dimensionsal dilaton gravity theories with matter being described by a perfect fluid. We derive the classical equations obeyed by the metric function & the dilaton field. An impicit solution for the metric function is obtained & used to discuss possible expansion & contraction scenarios for the universe. Quantization is carried out & finite norm exact solutions of the Wheeler-DeWitt equation are obtained.

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