Cosmic strings in an expanding spacetime

Details Cosmic strings in an expanding spacetime Cosmic strings in an expanding spacetime

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvd..37.1401s&link_type=abstract

Physical Review D (Particles and Fields), Volume 37, Issue 6, 15 March 1988, pp.1401-1405

Physics

12

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We study string solutions in an expanding Friedmann-Robertson-Walker (FRW) spacetime. The back reaction of the string on the spacetime has been ignored so that the background stays Friedmannian throughout the evolution. By numerically integrating the field equations in both radiation- and matter-dominated eras, we discover some new oscillatory solutions. The possible damping of these oscillations is discussed. For late times the solution becomes identical to the static one.

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