What does the Letelier-Gal'tsov metric describe?

Details What does the Letelier-Gal'tsov metric describe? What does the Letelier-Gal'tsov metric describe?

2005-02-22

arxiv.org/abs/gr-qc/0502090v2

Class.Quant.Grav. 23 (2006) 573

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4pages, 1 figure. v2 A few words are changed in accordance with the published version

Scientific paper

10.1088/0264-9381/23/2/N02

Recently the structure of the Letelier-Gal'tsov spacetime has become a matter
of some controversy. I show that the metric proposed in \cite{letgal} is
defined only on a dense subset of the whole manifold. In the case when it can
be defined on the remainder by continuity, the resulting spacetime corresponds
to a system of parallel cosmic strings at rest w.r.t. each other.

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