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Big Bang Scenario and Nature of Dark Matter

Published online by Cambridge University Press:  25 May 2016

I. Novikov
I. Novikov*
Affiliation:
Astro Space Center of P.N.Lebedev Physical Institute Profsoyuznaya 84/32, Moscow, 117810, Russia University Observatory, Øster Voldgade 3, DK-1350 Copenhagen K, Denmark NORDITA, Blegdamsvej 17, DK-2100 Copenhagen, Ø Denmark Theoretical Astrophysics Center, Blegdamsvej 17, DK-2100, Copenhagen Ø, Denmark Permanent address

Abstract

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We give a brief review of a problem of dark matter in the Universe. The key questions regarding dark matter are discussed: what is the distribution of dark matter at different scales? What is the nature of dark matter? Is there baryonic dark matter? We discuss a few new techniques of the investigation of dark matter in the Universe. We discuss the peculiar periodic dependence of the initial spectrum of the baryonic matter distribution on wavelength at the moment of recombination (Sakharov oscillations). Sakharov oscillations should manifest themselves by the specific anomalies in the angular correlation function of the microwave background anisotropy on scales 10′ – 2°, practically in any cosmological model. We discuss special methods for filtering of this effect in the observational data.

Type
Part I: Invited Reviews
Information
Symposium - International Astronomical Union , Volume 168: Examining the Big Bang and the Diffuse Background Radiations , 1996 , pp. 289 - 300
Copyright
Copyright © Kluwer 1996 

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