Constrain on Brans-Dicke Cosmology from view point of Cosmic age
Takayuki Suzuki
Abstract
Takayuki Suzuki
Abstract
Recent observational bounds taken into consideration, I investigated cosmology of Brans-Dicke gravity. Brans-Dicke scalar field at high ωBD behaves as stiff fluid, And it makes cosmic age short. But, cosmic age is constrained by observation of globular clusters. This paper shows constraint on Brans-Dicke cosmology from view point of cosmic age.
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Recent observational bounds taken into consideration, I investigated cosmology of Brans-Dicke gravity. Brans-Dicke scalar field at high ωBD behaves as stiff fluid, And it makes cosmic age short. But, cosmic age is constrained by observation of globular clusters. This paper shows constraint on Brans-Dicke cosmology from view point of cosmic age.
Key concepts: Cosmology, COSMIC cancer database, Physics, Brans–Dicke theory, Non-standard cosmology, Physical cosmology, Scalar field, Theoretical physics