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          Institute: MPI für Gravitationsphysik     Collection: Observational Relativity and Cosmology     Display Documents



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ID: 404189.0, MPI für Gravitationsphysik / Observational Relativity and Cosmology
Cosmic strings confront COBE
Authors:Allen, Bruce; Caldwell, R. R.; Shellard, E. P. S.; Stebbins, A.; Veeraraghavan, S.
Publisher:Springer
Place of Publication:Berlin [u.a.]
Date of Publication (YYYY-MM-DD):1995
Title of Proceedings:Birth of the universe and fundamental physics : proceedings of the international workshop, held in Rome, Italy, 18 - 21 May 1994
Start Page:251
End Page:258
Title of Series:Lecture notes in physics
Volume (in Series):455
Name of Conference/Meeting:International Workshop on the Birth of the Universe and Fundamental Physics
Place of Conference/Meeting:Rome, Italy
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
1994-05-18
End Date of Conference/Meeting 
 (YYYY-MM-DD):
1994-05-21
Review Status:not specified
Audience:Not Specified
Abstract / Description:We investigate large-angle anisotropies in the cosmic microwave radiation background which are induced by cosmic strings. We numerically evolve a string network from a redshift Z-100 to the present day and we use this data to generate a full-sky temperature map using sophisticated Green's function methods. Based on a limited number of realizations, we have compared the results of our simulations with the observations of the COBS-DMR experiment, demonstrating broad consistency. We have obtained a preliminary normalization for the string mass-per-unit-length mgr in the cosmic string scenario.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Bruce Allen
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Observational Relativity and Cosmology
External Affiliations:Department of Physics, University of Wisconsin–Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201, USA
Identifiers:ISBN:3-540-60024-8
ISBN:978-3-540-60024-4
ISSN:1616-6361
DOI:10.1007/3-540-60024-8_108
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