The Implications of the COBE-DMR Results for Cosmic Strings

Details The Implications of the COBE-DMR Results for Cosmic Strings The Implications of the COBE-DMR Results for Cosmic Strings

1992-06-18

arxiv.org/abs/hep-ph/9206233v1

Astrophys.J.399:L5-L8,1992

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 1 figure (included). UCRL-JC-110803

Scientific paper

10.1086/186592

We compare the anisotropies in the cosmic microwave background radiation measured by the COBE experiment to the predictions of cosmic strings. We use an analytic model for the $\Delta T/T$ power spectrum that is based on our previous numerical simulations to show that the COBE results imply a value for the string mass per unit length, $\mu$ under the assumption that cosmic strings are the source of the measured anisotropy. We find $G\mu = 1.5\pm 0.5 \times 10^{-6}$ which is consistent with the value of $\mu$ thought to be required for cosmic strings to seed galaxy formation.

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