Skewness of CMB Anisotropies in an Inflationary Isocurvature Baryon Model

Details Skewness of CMB Anisotropies in an Inflationary Isocurvature Baryon Model Skewness of CMB Anisotropies in an Inflationary Isocurvature Baryon Model

1994-07-15

arxiv.org/abs/astro-ph/9407046v1

Astrophys.J.435:L83-L85,1994

Astronomy and Astrophysics

Astrophysics

Latex 8 pages, KUNS 1279

Scientific paper

10.1086/187600

We investigate the cosmic variance of the skewness of the cosmic microwave background (CMB) anisotropies in an inflationary model which leads to the baryon isocurvature scenario for the cosmic structure formation. In this model, the baryon number fluctuations are given by a sinusoidal function of a random Gaussian field. We find that the skewness is very small in comparison with that of the fluctuations which obey Gaussian statistics.

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