The formation and evolution of vortices in an expanding universe.

Details The formation and evolution of vortices in an expanding universe. The formation and evolution of vortices in an expanding universe.

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mpla....5..157j&link_type=abstract

Modern Physics Letters A, Vol. 5, No. 3, p. 157 - 168

Physics

10

Cosmology: Space-Time, Cosmology: Particle Annihilation

Scientific paper

The formation and evolution of vortices in an expanding 2+1 dimensional space-time is analyzed numerically. The authors test the Kibble mechanism and show that, starting with thermal initial conditions with random phases, vortices form with a mean separation smaller than the Hubble radius. Due to the long range forces, vortices and anti-vortices move together and annihilate. The authors show that the phase waves which are produced during the annihilation are emitted predominantly at 90° from the axis through the incident topological defects.

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