Vorton

A vorton is a circular cosmic string loop stabilized by the angular momentum of the charge and current trapped on the string.[1]

For a recent review article of cosmic strings see Majumdar, M. (2005). "A Tutorial on Links between Cosmic String Theory and Superstring Theory". arXiv:hep-th/0512062 [hep-th]..

References

^ Davis, R. L.; Shellard, E. P. S. (1989). "Cosmic vortons". Nuclear Physics B 323 (1): 209–224. Bibcode 1989NuPhB.323..209D. doi:10.1016/0550-3213(89)90594-4.