Degree Scale Microwave Anisotropies in NonGaussian Theories of Cosmic Structure Formation

Details Degree Scale Microwave Anisotropies in NonGaussian Theories of Cosmic Structure Formation Degree Scale Microwave Anisotropies in NonGaussian Theories of Cosmic Structure Formation

1993-05-13

arxiv.org/abs/hep-ph/9305261v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, TeX, figure 2 appended as a postscript file, figures 1a-e available by anonymous ftp (color postscript files), PUP-T

Scientific paper

The COBE satellite's maps of the cosmic microwave background (CMB) anisotropy do not have the resolution to discriminate between theories of cosmic structure formation based on inflation, and those based on field ordering following a symmetry breaking phase transition. For this purpose it is critical to resolve the CMB anisotropy on degree scales. In this paper we report on detailed calculations of the degree scale anisotropies predicted in the global string, monopole, texture and nontopological texture scenarios of structure formation, emphasising their distinct character from those predicted by inflation, and commenting on the prospects of their detection in the near future.

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