The Speed of Gravity: What a Theory Says

Details The Speed of Gravity: What a Theory Says The Speed of Gravity: What a Theory Says

2002-11-07

arxiv.org/abs/astro-ph/0211140v1

Astronomy and Astrophysics

Astrophysics

To be submitted to New Journal of Physics; 3 pages; LaTeX file

Scientific paper

Following a quantum-gravity approach we use a gravitational quantum defined elsewhere as well as an effective gravitational "cross section" in conjunction with Mach's Principle and the de Broglie wavelength concept. We find the speed of gravity v_g related to a gravitational mass m as given by v_g of order c (M_u/m)^(1/2), where c is the speed of light and M_u the mass of the seeable Universe. For the solar system we get v_g of order 10^(11) c, which agrees very well with experimental results. For the Universe v_g is of the order of c.

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