Average string dynamics

Details Average string dynamics Average string dynamics

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..49.5030e&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 49, Issue 10, 15 May 1994, pp.5030-5039

Physics

4

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

Scientific paper

The dynamics of an infinite cosmic string chopping off loops is modeled by passing over to a smeared-out effective string which is obtained by a local average procedure. Using several approximations, the time-evolution equations for the effective two-point correlation functions are brought into a mathematically simple form in which all essential nonlinearities and nonlocalities have been absorbed into one single quantity, the loop production activity K. The evolution scheme may serve as a test for possible estimations of K. A toy model is presented and solved numerically.

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