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topological defect

(defect in space that could arise in the early universe)

In cosmology, a topological defect is a discontinuity in space. Some theories expect their formation during symmetry breaking that divided earlier, more general forces into the currently known specific forces of nature: gravity, electromagnetism, the strong force and the weak force.

Such defects are classified as follows:

When the cosmic microwave background cold spot was identified, one theory was that it was a sign of a texture.


(cosmology,relativity)
http://en.wikipedia.org/wiki/Topological_defect
http://en.wikipedia.org/wiki/Texture_(cosmology)
http://en.wikipedia.org/wiki/Domain_wall
http://en.wikipedia.org/wiki/Monopole_(mathematics)
https://arxiv.org/abs/astro-ph/0110285

Referenced by:
cosmic string

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