The nonlinear modulation of the density distribution in standard axionic CDM and its cosmological impact

M. Yu Khlopov; A. S. Sakharov; D. D. Sokoloff

doi:10.1016/S0920-5632(98)00511-8

The nonlinear modulation of the density distribution in standard axionic CDM and its cosmological impact

M. Yu Khlopov^*
, A. S. Sakharov
, D. D. Sokoloff

^*Corresponding author for this work

RAS - Keldysh Institute of Applied Mathematics
Moscow Engineering Physics Institute
Lomonosov Moscow State University

Research output: Contribution to journal › Article › peer-review

130 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	105-109
Number of pages	5
Journal	Nuclear Physics B - Proceedings Supplements
Volume	72
Issue number	1-3
DOIs	https://doi.org/10.1016/S0920-5632(98)00511-8
State	Published - Mar 1999
Externally published	Yes

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10.1016/S0920-5632(98)00511-8

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abstract = "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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The nonlinear modulation of the density distribution in standard axionic CDM and its cosmological impact

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