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arXiv · gr-qc/0106089

Cosmic strings and strings in gravitational waves

H. -J. Schmidt·U. Semmelmann
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Abstract

We consider strings with the Nambu action as extremal surfaces in a given space-time, thus, we ignore their back reaction. Especially, we look for strings sharing one symmetry with the underlying space-time. If this is a non-null symmetry, the problem of determining the motion of the string can be dimensionally reduced. We get exact solutions for the following cases: straight and circle-like strings in a Friedmann background, straight strings in an anisotropic Kasner background, different types of strings in the metric of a gravitational wave. The solutions will be discussed.

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H. -J. Schmidt, U. Semmelmann. 2001-06-28. Cosmic strings and strings in gravitational waves. https://arxiv.org/abs/gr-qc/0106089

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