Textures and cosmic structure

Details Textures and cosmic structure Textures and cosmic structure

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sciam.266...52s&link_type=abstract

Scientific American (ISSN 0036-8733), vol. 266, March 1992, p. 52-59.

Physics

7

Broken Symmetry, Cosmic Background Explorer Satellite, Galactic Clusters, Galactic Structure, Liquid Crystals, Particle Theory, Big Bang Cosmology, Textures

Scientific paper

A theoretical description is advanced which permits a consistent explanation of both the inflationary universe and large-scale structures such as galaxy clumping and very old quasars. A concept based on particle physics is proposed called textures that is defined as primordial field defects, and the texture hypothesis is employed to describe aggregations of material that are apparently not smooth. The theorized existence of dark matter and the deformations supported by the Higgs field are described, and analogies are used to describe the unwinding and disappearance of texture in the inflationary-universe scenario. The implications of the theory include a more accurate estimation of dark matter in the universe, wider peaks and dips in density fluctuations, and a model of the microwave background. Data from the Cosmic Background Explorer can be used to verify the simulation resulting from the application of texture theory to the microwave background.

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