Thick strings, the liquid crystal blue phase, and cosmological large-scale structure

Details Thick strings, the liquid crystal blue phase, and cosmological large-scale structure Thick strings, the liquid crystal blue phase, and cosmological large-scale structure

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...394...12l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 394, no. 1, July 20, 1992, p. 12-18. Research supported by DOE.

Statistics

Computation

2

Cosmology, Galactic Clusters, Liquid Crystals, String Theory, Astronomical Models, Computational Astrophysics, Dark Matter, Phase Transformations, Red Shift, Relic Radiation

Scientific paper

A phenomenological model based on the liquid crystal blue phase is proposed as a model for a late-time cosmological phase transition. Topological defects, in particular thick strings and/or domain walls, are presented as seeds for structure formation. It is shown that the observed large-scale structure, including quasi-periodic wall structure, can be well fitted in the model without violating the microwave background isotropy bound or the limits from induced gravitational waves and the millisecond pulsar timing. Furthermore, such late-time transitions can produce objects such as quasars at high redshifts. The model appears to work with either cold or hot dark matter.

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