
TL;DR
This paper explores a family of flat space-times governed by a parameter affecting electromagnetic wave behavior, proposing an experiment to measure it, with implications for understanding cosmic redshifts and dark matter.
Contribution
It introduces a new metric dependent on a parameter, linking electromagnetic wave frequency shifts to space-time structure and proposing an experimental method to determine this parameter.
Findings
Redshift behavior depends on the space-time metric parameter.
Frequency shifts can mimic dark matter and dark energy effects.
Potential to revise interpretations of cosmic observations.
Abstract
Maxwell's equations are obeyed in a one-parameter group of isotropic gravity-free flat space-times whose metric depends upon the value of the group parameter. An experimental determination of this value has been proposed. If it is zero, the metric is Minkowski's. If it is non-zero, the metric is not Poincare invariant and local frequencies of electromagnetic waves change as they propagate. If the group parameter is positive, velocity independent red shifts develop and the group parameter plays a role similar to that of Hubble's constant in determining the relation of these redshifts to propagation distance. In the resulting space-times, the velocity dependence of Doppler shifts is a function of propagation distance. If the group parameter and Hubble's constant have the same order of magnitude, observed frequency shifts in radiation received from stellar sources can imply source…
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