Cosmic Instability from Radiation Pressure

  • Craig J. Hogan
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 164)


The Cosmic Background Explorer has recently confirmed the blackbody character of the microwave background to high accuracy (Mather et al. 1990), and will have the capability to detect other cosmic backgrounds throughout the infrared. A detection of cosmic background radiation dating from the pregalactic era would have important consequences for theories of cosmic structure. During the creation of such a background the pressure of the radiation itself causes an instability which leads inevitably to the growth of large-scale structure in the matter distribution. In contrast to conventional gravitational-instability models, the statistical properties of this structure are determined primarily by the self-organizing dynamics of the instability rather than details of cosmological initial conditions. The behavior of the instability is described here.


Radiation Pressure Small Bubble Gravitational Instability Bubble Wall Cosmic Background 
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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • Craig J. Hogan
    • 1
  1. 1.Steward ObservatoryUniversity of ArizonaTucsonUSA

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