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APS » Journals » Phys. Rev. Lett. » Volume 82 » Issue 19
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Phys. Rev. Lett. 82, 3742–3745 (1999)

Formation Rate of Semilocal Strings

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Ana Achúcarro1a,1b, Julian Borrill2a,2b, and Andrew R. Liddle3,*
1aDepartment of Theoretical Physics, UPV-EHU, Bilbao, Spain
1band Institute for Theoretical Physics, University of Groningen, The Netherlands
2aCenter for Particle Astrophysics, University of California, Berkeley, California 94720
2band National Energy Research Scientific Computing Center, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720
3Astronomy Centre, University of Sussex, Falmer, Brighton BN1 9QJ, United Kingdom

Received 13 February 1998; published in the issue dated 10 May 1999

We carry out three-dimensional numerical simulations to investigate the formation rate of semilocal strings. We find that the backreaction of the gauge fields on the scalar field evolution is substantial, and leads to a significant formation rate in the parameter regime where the semilocal strings are classically stable. The formation rate can be as large as one-third of that for cosmic strings, depending on the model parameters.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.82.3742
DOI:
10.1103/PhysRevLett.82.3742
PACS:
11.27.+d, 11.15.Ex, 98.80.Cq

*Present address: Astrophysics Group, The Blackett Laboratory, Imperial College, London SW7 2BZ, United Kingdom.

 
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