Frame dragging in the spacetime of a superconducting cosmic string

Details Frame dragging in the spacetime of a superconducting cosmic string Frame dragging in the spacetime of a superconducting cosmic string

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvd..62j3514t&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 62, Issue 10, 15 November 2000, id.103514

Physics

1

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

Scientific paper

In this paper we calculate particle geodesics in the spacetime of a supermassive superconducting cosmic string (Gμ>10-3). Numerical techniques are used to compare the spacetime of a string supporting a fermionic supercurrent with a string supporting a stationary spin-0 current condensate. In both cases it is found that frame dragging leads to exotic behavior of geodesics, in which particles are trapped by the string spacetime, without the string violating the dominant energy condition. In the case of a string with a fermionic current it is also found that the string core is completely isolated from nonrelativistic particles in the ``outside'' universe.

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