Exact gravitational field of a string

Details Exact gravitational field of a string Exact gravitational field of a string

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrvd..31.3288h&link_type=abstract

Physical Review D (Particles and Fields), Volume 31, Issue 12, 15 June 1985, pp.3288-3290

Physics

303

Particle-Theory And Field-Theory Models Of The Early Universe, Exact Solutions

Scientific paper

The exact spacetime metric representing the exterior of a static cylindrically symmetric string is found. The geometry is conical, with a deficit angle of 8πGμ, where μ is the linear energy density of the string. The results of Vilenkin, obtained using linearized gravity, are thus shown to be correct to all orders in Gμ. Strings with Gμ>=(1/4) are found to collapse the exterior spacetime, resulting in dimensional reduction.

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