Evolution of cosmic string networks

Details Evolution of cosmic string networks Evolution of cosmic string networks

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ecsn.reptq....a&link_type=abstract

Unknown

Physics

Condensed Matter

Statistical Mechanics

Cosmology, Galactic Clusters, Galactic Evolution, Mathematical Models, Statistical Mechanics, String Theory, Background Radiation, Gauge Theory, Gravitational Waves, Microwaves, Simulation, Spectra, Universe

Scientific paper

A discussion of the evolution and observable consequences of a network of cosmic strings is given. A simple model for the evolution of the string network is presented, and related to the statistical mechanics of string networks. The model predicts the long string density throughout the history of the universe from a single parameter, which researchers calculate in radiation era simulations. The statistical mechanics arguments indicate a particular thermal form for the spectrum of loops chopped off the network. Detailed numerical simulations of string networks in expanding backgrounds are performed to test the model. Consequences for large scale structure, the microwave and gravity wave backgrounds, nucleosynthesis and gravitational lensing are calculated.

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