High-Frequency Gravitational Waves from Spinning Non-Abelian Cosmic-Strings

Details High-Frequency Gravitational Waves from Spinning Non-Abelian Cosmic-Strings High-Frequency Gravitational Waves from Spinning Non-Abelian Cosmic-Strings

1999-11-29

arxiv.org/abs/gr-qc/9911117v4

Class.Quant.Grav. 18 (2001) 463-477

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

26 pages in Revtex+ 10 eps figures. The other pictures can be obtained at http://www.asfyon.nl/slagt.html/webdoc.htm

Scientific paper

10.1088/0264-9381/18/3/308

We investigated the SU(2) Einstein-Yang-Mills system on a time-dependent non-diagonal cylindrical symmetric space-time. From the numerical investigation, wave-like solutions are found, consistent with the familiar string-like features. They possess an angle-deficit which depends on the initial form of the magnetic component of the YM field, i.e., the number of times it crosses the r-axis. The soliton-like behavior of the gravitational and YM waves show significant differences from the ones found in the Einstein-Maxwell system. The stability of the system is analyzed using the multiple-scale method. To first order a consistent set of equations is obtained.

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