Unraveling the Mystery of Cosmic Strings

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I know that cosmic string have intense energy and are apparently leftovers from the big bang and can create a sort of gravitational time distortion field,

But HOW did these form from the Big Bang? Can their existence be backed up by other models?
 
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Hi
Cosmic strings are one dimensional objects which have an very intensive energy confined in small string, which make the space -time around it very fuzzy. ( Perturbed )
It is a long subject you can start with this overview by Kibble http://arxiv.org/abs/hep-ph/9411342 and then see the title book cosmic strings and other Topological Defects by A. Vilenkin.
Good luck
 
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