No-cosmic-spring conjecture

Details No-cosmic-spring conjecture No-cosmic-spring conjecture

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47.3169p&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 47, Issue 8, 15 April 1993, pp.3169-3176

Physics

20

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

Contrary to what has been previously claimed, it is found that in the Witten bosonic superconducting cosmic-string model, the tension, defined here as a local quantity, is always positive for spacelike currents even when the effect of electric charge coupling is taken into account, this effect being only responsible for the existence of a stabilizing magnetic pressure. It is conjectured that the corresponding ``spring'' states do not exist at all, at least for this model, but also presumably for any physically reasonable theory in which current-carrying cosmic strings can form.

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