Self--gravitating cosmic rings

Details Self--gravitating cosmic rings Self--gravitating cosmic rings

1998-08-31

arxiv.org/abs/gr-qc/9808082v2

Phys.Lett.B449:12-16,1999

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, Latex (errors corrected in the last paragraph)

Scientific paper

10.1016/=

The classical Einstein--Maxwell field equations admit static horizonless wormhole solutions with only a circular cosmic string singularity. We show how to extend these static solutions to exact rotating asymptotically flat solutions. For a suitable range of parameter values, these solutions describe charged or neutral rotating closed cosmic strings, with a perimeter of the order of their Schwarzschild radius.

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