Abstract
view Abstract Citations (4) References (10) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Constraints on Weyl Gravity on Subgalactic Distance Scales Wood, Kent S. ; Nemiroff, Robert J. Abstract The Weyl theory of gravity presented by Mannheim and Kazanas (1989) is investigated with regard to existing experiments and observations. The point mass solution is used to derive expressions for departures from Newtonian gravity that can be compared with the threshold of detectability on various sub-Galactic scales, including both solar system and laboratory tests. If the free parameter gamma is a constant, marginal compatibility with constraints on Delta(GM)/(GM) can be achieved by adjusting gamma. At a mass scale of kilograms and a distance scale of centimeters, published laboratory results appear to exclude a universal gamma equal to the reciprocal of the Hubble radius at the current epoch. Possible recourses are described, as well as potential problems on extragalactic scales. Publication: The Astrophysical Journal Pub Date: March 1991 DOI: 10.1086/169738 Bibcode: 1991ApJ...369...54W Keywords: Galactic Rotation; Gravitation Theory; Interacting Galaxies; Dark Matter; Milky Way Galaxy; Quantum Electrodynamics; Schwarzschild Metric; Solar System; Astrophysics; GRAVITATION full text sources ADS |
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