Cosmic Strings in an Open Universe with Baryonic and Non-Baryonic Dark Matter

Details Cosmic Strings in an Open Universe with Baryonic and Non-Baryonic Dark Matter Cosmic Strings in an Open Universe with Baryonic and Non-Baryonic Dark Matter

1994-10-11

arxiv.org/abs/astro-ph/9410032v1

Phys.Rev.Lett. 74 (1995) 3522-3525

Astronomy and Astrophysics

Astrophysics

uu-encoded compressed tar of postscript files, Imperial/TP/94-95/02

Scientific paper

10.1103/PhysRevLett.74.3522

We study the effects of cosmic strings on structure formation in open universes. We calculate the power spectrum of density perturbations for two class of models: one in which all the dark matter is non baryonic (CDM) and one in which it is all baryonic (BDM). Our results are compared to the 1 in 6 IRAS QDOT power spectrum. The best candidates are then used to estimate $\mu$, the energy per unit length of the string network. Some comments are made on mechanisms by which structures are formed in the two theories.

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