PPN parameter γ and solar system constraints of massive Brans-Dicke theories

L. Perivolaropoulos
Phys. Rev. D 81, 047501 – Published 4 February 2010

Abstract

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 m20×mAU=20×1027GeV.

  • Figure
  • Received 24 November 2009

DOI:https://doi.org/10.1103/PhysRevD.81.047501

©2010 American Physical Society

Authors & Affiliations

L. Perivolaropoulos

  • Department of Physics, University of Ioannina, Greece

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Issue

Vol. 81, Iss. 4 — 15 February 2010

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