Electromagnetic energy production in the formation of a superconducting cosmic string

Details Electromagnetic energy production in the formation of a superconducting cosmic string Electromagnetic energy production in the formation of a superconducting cosmic string

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..51..691b&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 51, Issue 2, 15 January 1995, pp.691-696

Physics

9

Extended Classical Solutions, Cosmic Strings, Domain Walls, Texture, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

The electromagnetic modes outside an infinitely long, straight, superconducting cosmic string are calculated, assuming that the string is surrounded by a superconducting cylindrical surface. Thereafter, via a Bogoliubov-transformation-type argument, the electromagnetic energy W produced per unit length in the lowest mode is calculated when the string is taken to be formed ``suddenly.'' It is found that, apart from factors of order unity, W~(Gμ/t)2 where G is the gravitational constant, μ the string mass per unit length, and t the GUT time. This is essentially in agreement with the result obtained by Parker for the scalar field [Phys. Rev. Lett. 59, 1369 (1987)].

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