Closed timelike geodesics in a gas of cosmic strings
arXiv:gr-qc/0703139 · doi:10.1088/1367-2630/10/10/103025
Abstract
We find a class of solutions of Einstein's field equations representing spacetime outside a spinning cosmic string surrounded by a gas of non-spinning cosmic strings, and show that there exist closed timelike geodesics in this spacetime.
13 pages, 1 figure