Dynamical friction on cosmic string motion and magnetic field generation

Details Dynamical friction on cosmic string motion and magnetic field generation Dynamical friction on cosmic string motion and magnetic field generation

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..51.5946a&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 51, Issue 10, 15 May 1995, pp.5946-5949

Physics

17

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

Scientific paper

We demonstrate that the effects of dynamical friction on the motion of a wiggly cosmic string are much larger than previously estimated for a straight string. Although network simulations are not significantly affected by our results, this does provide a mechanism for transferring linear and angular momentum from the string network to the surrounding matter particles. A consequence of the vorticity produced by this process could be the generation of weak primordial magnetic fields which are necessary to explain observed galactic magnetic fields.

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