Scalar-tensor-vector gravity theory

Jun, 2005
14 pages
Published in:
  • JCAP 03 (2006) 004
e-Print:

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Abstract: (arXiv)
A covariant scalar-tensor-vector gravity theory is developed which allows the gravitational constant GG, a vector field coupling ω\omega and the vector field mass μ\mu to vary with space and time. The equations of motion for a test particle lead to a modified gravitational acceleration law that can fit galaxy rotation curves and cluster data without non-baryonic dark matter. The theory is consistent with solar system observational tests. The linear evolutions of the metric, vector field and scalar field perturbations and their consequences for the observations of the cosmic microwave background are investigated.
Note:
  • 20 pages, Latex file, no figures. Revised version. Section on cosmology added. References added. Typos corrected
  • gravitation: scalar
  • gravitation: tensor
  • gravitation: vector
  • field equations
  • pulsar: binary
  • fundamental constant: time dependence