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Planck 2013 results. XXV. Searches for cosmic strings and other topological defects

Abstract:

Planck data have been used to provide stringent new constraints on cosmic strings and other defects. We describe forecasts of the CMB power spectrum induced by cosmic strings, calculating these from network models and simulations using line-of-sight Boltzmann solvers. We have studied Nambu-Goto cosmic strings, as well as field theory strings for which radiative effects are important, thus spanning the range of theoretical uncertainty in strings models. We have added the angular power spectrum...

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Publisher copy:
10.1051/0004-6361/201321621

Authors


Collaboration, P More by this author
Aghanim, N More by this author
Armitage-Caplan, C More by this author
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Publisher:
EDP Sciences
Journal:
Astronomy and Astrophysics
Volume:
571
Publication date:
2013-03-20
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:58489c96-64e1-4627-ad0d-e382d2b74c83
Source identifiers:
395188
Local pid:
pubs:395188
Language:
English
Keywords:

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