The large-scale modulation of the density distribution in standard axionic CDM and its cosmological and physical impact

Details The large-scale modulation of the density distribution in standard axionic CDM and its cosmological and physical impact The large-scale modulation of the density distribution in standard axionic CDM and its cosmological and physical impact

1998-12-08

arxiv.org/abs/hep-ph/9812286v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, Talk presented at Workshop on Fundamental Physics at the Birth of the Universe II, Roma, May 19-24, 1997

Scientific paper

10.1016/S0920-5632(98)00511-8

It is shown, that the energy density of coherent axion field oscillations in the cosmology of standard invisible axion should be distributed in the Universe in the form of archioles, being nonlinear inhomogeneous structure, reflecting the large scale distribution of Brownian structure of axion strings in the very early Universe. Spectrum of inhomogeneities, generated by archioles, is obtained and their effects in the spectrum and quadrupole anisotropy of relic radiation are considered. The axionic-string-decay-model-independent restriction on the scale of axion interaction is obtained.

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