Regular Article - Theoretical Physics
On spinless null propagation in five-dimensional space-times with approximate space-like Killing symmetry
Institut Pasteur, 75724, Paris Cedex 15, France
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Accepted: 19 August 2016
Published online: 3 September 2016
Five-dimensional (5D) space-time symmetry greatly facilitates how a 4D observer perceives the propagation of a single spinless particle in a 5D space-time. In particular, if the 5D geometry is independent of the fifth coordinate then the 5D physics may be interpreted as 4D quantum mechanics. In this work we address the case where the symmetry is approximate, focusing on the case where the 5D geometry depends weakly on the fifth coordinate. We show that concepts developed for the case of exact symmetry approximately hold when other concepts such as decaying quantum states, resonant quantum scattering, and Stokes drag are adopted, as well. We briefly comment on the optical model of the nuclear interactions and Millikan’s oil drop experiment.
© The Author(s), 2016