Mach’s Principle and a Variable Speed of Light
نویسنده
چکیده
Mach’s principle, according to which the origin of gravitational interaction depends on the presence of all the masses in the universe, was expressed in a quantitative form by Sciama (1953). Since this idea suggests a variable speed of light (VSL), it is shown here that the arising variability of c is in agreement with all GR tests regarding time and lenght scales which are subject to variation as well. Moreover, VSL opens the possibility to write the total energy of a particle as E = mc; this necessarily leads to the proportionality of inertial and gravitating mass, the equivalence principle. Furthermore, a formula for c depending on the mass distribution is given that reproduces Newtons law of gravitation. This mass distribution allows to calculate a slightly variable term that corresponds to the ‘constant’ G. The present proposal may also supply an alternative explanation to the flatness problem and the horizon problem in cosmology.
منابع مشابه
Mach's Principle 1.1 Introduction 1.2 Absolute versus Relative 1.4 Gravitomagnetism Acknowledgments
We briefly review the history of Mach’s principle and discuss its significance in the light of modern physics.
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