Gravitational stability of local strings

Details Gravitational stability of local strings Gravitational stability of local strings

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvl..59..740g&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 59, Aug. 10, 1987, p. 740-743.

Physics

70

Abel Function, Asymptotic Properties, Gravitational Fields, Invariance, Particle Interactions, Strings, Equations Of Motion, Iterative Solution

Scientific paper

The full set of field equations for a static cylindrically symmetric string system is considered, and it is shown that the surrounding space-time is asymptotically conical, providing that the energies and pressures decay rapidly enough. For the case of the Abelian Higgs model with U(1) gauge invariance, a local string solution to first order in G(eta-squared) is exhibited, and the asymptotic deficit angle is found to be 8pi(G)(mu). Application of the technique to the corresponding U(1) global string reveals no regular asymptotic structure. A C-energy argument is used to demonstrate that, within linearized theory, such local strings are resistant to radial collapse.

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