publication . Other literature type . Article . 1991

Cosmology in the Laboratory: Defect Dynamics in Liquid Crystals

Ruth Durrer;
  • Published: 15 Mar 1991
  • Publisher: American Association for the Advancement of Science (AAAS)
Liquid crystals are remarkably useful for laboratory exploration of the dynamics of cosmologically relevant defects. They are convenient to work with, they allow the direct study of the "scaling solution" for a network of strings, and they provide a model for the evolution of monopoles and texture. Experiments described here support the simple "one-scale" model for cosmic string evolution, as well as some qualitative predictions of string statistical mechanics. The structure of monopoles and their apparent cylindrical but not spherical symmetry is discussed. A particular kind of defect known as texture is described and is shown to have a dynamical instability—it...
free text keywords: Multidisciplinary
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