Abstract
The standard physical model for the interaction of radiation with matter, widely used to calculate the transfer of energy, can also be used to model the exchange process for virtual gravitons. Using this approach, it is possible to derive Newton’s law of gravitation and to show that the gravitational constant G (kg-1 m3 s-2) is comprised of other physical constants, including the atomic mass unit, u (kg), the speed of light, c (ms-1) and Planck’s constant h (kg m2 s-1). The model is shown to be compliant with the weak equivalence principle and is therefore consistent with experimental observation, apart from the well known exceptions that are explained by General Relativity. An alternative physical model for graviton exchange is also presented which gives an identical formulation for G. The models lead to a prediction of an increase in G with temperature.
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M J Clark is at the National Radiological Protection Board, Chilton, Didcot, OX11 ORQ, UK and this address should be used for correspondence (e-mail mike.clark@nrpb.org.uk).
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Clark, M.J. (2002). Radiation and Gravitation. In: Bergmann, P.G., de Sabbata, V. (eds) Advances in the Interplay Between Quantum and Gravity Physics. NATO Science Series, vol 60. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0347-6_4
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DOI: https://doi.org/10.1007/978-94-010-0347-6_4
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