Quantum Cosmology in Bergmann-Wagoner Scalar-tensor Gravitational Theory

Details Quantum Cosmology in Bergmann-Wagoner Scalar-tensor Gravitational Theory Quantum Cosmology in Bergmann-Wagoner Scalar-tensor Gravitational Theory

2000-09-08

arxiv.org/abs/gr-qc/0009027v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

22 pages, LaTeX file

Scientific paper

The Wheeler-DeWitt equation is solved for the Bergmann-Wagoner scalar-tensor gravitational theory in the case of Friedmann-Robertson- Walker cosmological model. We present solutions for several cosmological functions: i) \lambda(\phi)=0, ii) \lambda(\phi)=3\Lambda_0\phi and iii) a more complex \lambda(\phi), that depends on the choice of the coupling function, considering closed, flat and hyperbolic Friedmann universes (k=1, 0, -1). In the first two cases we show particular quantum wormhole solutions. Also, classical solutions are considered for some scalar-tensor theories, and we study the third quantization of some minisuperspace models.

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