Dynamics of a string coupled to gravitational waves II - Perturbations propagate along an infinite Nambu-Goto string

Details Dynamics of a string coupled to gravitational waves II - Perturbations propagate along an infinite Nambu-Goto string Dynamics of a string coupled to gravitational waves II - Perturbations propagate along an infinite Nambu-Goto string

2000-11-09

arxiv.org/abs/gr-qc/0011035v2

Phys.Rev. D63 (2001) 127501

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages (2 columns), no figure, revtex with multicol.sty. To appear in Physical Review D

Scientific paper

10.1103/PhysRevD.63.127501

The perturbative modes propagating along an infinite string are investigated within the framework of the gauge invariant perturbation formalism on a spacetime containing a self-gravitating straight string with a finite thickness. These modes are not included in our previous analysis. We reconstruct the perturbation formalism to discuss these modes and solve the linearized Einstein equation within the first order with respect to the string oscillation amplitude. In the thin string case, we show that the oscillations of an infinite string must involve the propagation of cosmic string traveling wave.

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