Contribution of gravitational self-interaction to Δφ and μ for a cosmic string

Details Contribution of gravitational self-interaction to Δφ and μ for a cosmic string Contribution of gravitational self-interaction to Δφ and μ for a cosmic string

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvd..39.1552g&link_type=abstract

Physical Review D (Particles and Fields), Volume 39, Issue 6, 15 March 1989, pp.1552-1557

Physics

21

Relativity And Gravitation

Scientific paper

We consider the contribution of gravitational self-interaction to the mass per unit length μ and the deficit angle Δφ of a long, static, straight cosmic string. The equations describing the structure and gravitational field of the string are expanded in powers of the gravitational strength of the string. To lowest order these equations yield the usual results for the Nielsen-Olesen string including Vilenkin's formula Δφ=8πμ. In the next order a numerical treatment of the equations gives the gravitational corrections to Δφ and μ.

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