PPN Parameter γ and Solar System Constraints of Massive Brans-Dicke Theories
Perivolaropoulos, L.
General Relativity and Quantum Cosmology
Cosmology and Nongalactic Astrophysics
High Energy Physics - Phenomenology
High Energy Physics - Theory
الأصل · EN
Previous solar system constraints of the Brans-Dicke (BD) parameter ω have either ignored the effects of the scalar field potential (mass terms) or assumed a highly massive scalar field. Here, we interpolate between the above two assumptions and derive the solar system constraints on the BD parameter ω for any field mass. We show that for ω=O(1) the solar system constraints relax for a field mass m 20 × mAU= 20× 10⁻²⁷GeV.
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