Question Isotropy

Details Question Isotropy Question Isotropy

2010-11-10

arxiv.org/abs/1011.2240v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Published in Axions 2010: AIP Conf.Proc.1274:72-77,2010, edited by David Tanner

Scientific paper

10.1063/1.3489560

The "cosmological principle" was set up early without realizing its implications for the horizon problem, and almost entirely without support from observational data. Consistent signals of anisotropy have been found in data on electromagnetic propagation, polarizations of QSOs and $CMB$ temperature maps. The axis of Virgo is found again and again in signals breaking isotropy, from independent observables in independent energy regimes. There are no satisfactory explanations of these effects in conventional astrophysics. Axion-photon mixing and propagation in axion condensates are capable of encompassing the data.

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