Modified Hubble law
The frequency of a photon emitted from an atom contained in a medium in the universe is given. This implies the redshift of a photon emitted in a distant galaxy (quasar) contained in this medium. The application to cosmological models gives a modified Hubble law. For a fixed redshift of a galaxy, the distance to it is in general smaller than by the standard Hubble law. Furthermore, the distances of two galaxies with almost the same redshift can be quite different depending on the different media in which the photons are emitted and vice versa, two nearby galaxies can have quite different redshifts.
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Document Type: Research Article
Publication date: 2013-06-08
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- Physics Essays has been established as an international journal dedicated to theoretical and experimental aspects of fundamental problems in Physics and, generally, to the advancement of basic knowledge of Physics. The Journal's mandate is to publish rigorous and methodological examinations of past, current, and advanced concepts, methods and results in physics research. Physics Essays dedicates itself to the publication of stimulating exploratory, and original papers in a variety of physics disciplines, such as spectroscopy, quantum mechanics, particle physics, electromagnetic theory, astrophysics, space physics, mathematical methods in physics, plasma physics, philosophical aspects of physics, chemical physics, and relativity.
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