We reexamine the causal properties of geometries generated by parallel, moving cosmic strings, particularly our statement that closed timelike curves are forbidden there. Contrary to a recent claim, such acausal behavior cannot be realized by physical, timelike, sources.
No takes yet. Share an insight, caveat, or question.
Deser et al. (1992) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: