Baryon isocurvature scenario in inflationary cosmology - A particle physics model and its astrophysical implications

Details Baryon isocurvature scenario in inflationary cosmology - A particle physics model and its astrophysical implications Baryon isocurvature scenario in inflationary cosmology - A particle physics model and its astrophysical implications

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...379..427y&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 379, Oct. 1, 1991, p. 427-439. Research supported by DOE.

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30

Astronomical Models, Astrophysics, Baryons, Cosmology, Computational Astrophysics, Galactic Evolution, Mathematical Models, Power Spectra

Scientific paper

A phenomenological model to produce isocurvature baryon-number fluctuations is proposed in the framework of inflationary cosmology. The resulting spectrum of density fluctuation is very different from the conventional Harrison-Zel'dovich shape. The model, with the parameters satisfying several requirements from particle physics and cosmology, provides an appropriate initial condition for the minimal baryon isocurvature scenario of galaxy formation discussed by Peebles.

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