The dynamical interactions of cosmic strings

Details The dynamical interactions of cosmic strings The dynamical interactions of cosmic strings

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jcoph..88..467m&link_type=abstract

Journal of Computational Physics (ISSN 0021-9991), vol. 88, June 1990, p. 467-476. Research supported by ETA Systems, Inc., Scot

Statistics

Computation

6

Cosmology, Galactic Clusters, Galactic Evolution, String Theory, Energy Dissipation, Phase Transformations, Universe

Scientific paper

How cosmic strings behave when they cross depends on their microscopic structure. Determining whether or not they intercommute is a major problem. The present simulation proceeds according to initial data describing two isolated vortices (or strings) as they approach each other. Once the initial configuration has been created, it is propagated forward in time numerically using the equations of motion. When a vortex and an antivortex collide with sufficient energy, they first annihilate; the vortex/antivortex pair is then, however, recreated, and it goes out in the direction in which the original pair came in as if it had been scattered directly backwards.

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