Large parallel cosmic string simulations: New results on loop production

Jose J. Blanco-Pillado, Ken D. Olum, and Benjamin Shlaer
Phys. Rev. D 83, 083514 – Published 15 April 2011

Abstract

Using a new parallel computing technique, we have run the largest cosmic string simulations ever performed. Our results confirm the existence of a long transient period where a nonscaling distribution of small loops is produced at lengths depending on the initial correlation scale. As time passes, this initial population gives way to the true scaling regime, where loops of size approximately equal to one-twentieth the horizon distance become a significant component. We observe similar behavior in matter and radiation eras, as well as in flat space. In the matter era, the scaling population of large loops becomes the dominant component; we expect this to eventually happen in the other eras as well.

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  • Received 31 January 2011

DOI:https://doi.org/10.1103/PhysRevD.83.083514

© 2011 American Physical Society

Authors & Affiliations

Jose J. Blanco-Pillado, Ken D. Olum, and Benjamin Shlaer

  • Institute of Cosmology, Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA

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Issue

Vol. 83, Iss. 8 — 15 April 2011

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