Cosmic strings and Natural Inflation

Details Cosmic strings and Natural Inflation Cosmic strings and Natural Inflation

2007-06-19

arxiv.org/abs/0706.2747v1

JHEP 0706:080,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 0 tables, 4 figures, accepted for publication in JHEP

Scientific paper

10.1088/1126-6708/2007/06/080

In the present work we discuss cosmic strings in natural inflation. Our analysis is based entirely on the CMB quadrupole temperature anisotropy and on the existing upper bound on the cosmic string tension. Our results show that the allowed range for both parameters of the inflationary model is very different from the range obtained recently if cosmic strings are formed at the same time with inflation, while if strings are formed after inflation we find that the parameters of the inflationary model are similar to the ones obtained recently.

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