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Cosmic Strings and Strings in Gravitational Waves by Schmidt, H. -J.; Semmelmann, U. is a scholarly article available to read on EtoBox.

What is Cosmic Strings and Strings in Gravitational Waves about?

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.

Author

Schmidt, H. -J.; Semmelmann, U.

Published

2001

Language

EN