Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-08-05
Int.J.Theor.Phys.49:2558-2568,2010
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
15 pages
Scientific paper
10.1007/s10773-010-0447-6
We study longstanding problem of cosmological clock in the context of Brans-Dicke theory of gravitation. We present the Hamiltonian formulation of the theory for a class of spatially homogenous cosmological models. Then, we show that formulation of the Brans-Dicke theory in the Einstein frame allows how an identification of an appropriate cosmological time variable, as a function of the scalar field in the theory, can be emerged in quantum cosmology. The classical and quantum results are applied to the Friedmann-Robertson-Walker cosmological models.
Farajollahi Hossein
Farhoudi Mehrdad
Shojaie Hossein
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