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transparencies (pdf) - Rencontres du Vietnam

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• keep all corrections up to the order M à2<br />

Pl<br />

à<br />

K = |S| 2 + |Φ + | 2 + |Φ à | 2 |S|<br />

á à<br />

+ f 2 + |Φ+ | 2 |S|<br />

á<br />

+ f 2 à |Φà | 2 |S|<br />

+ b 4<br />

M<br />

à2<br />

M 2 Pl<br />

1<br />

M 2 Pl<br />

Pl<br />

strings have a high contribution to the cmb data unless the couplings are small<br />

1<br />

Cosmic string contribution %<br />

100<br />

g⩵10 2 ,c ⩵c ⩵0, b⩵0,0.5,1,2<br />

10<br />

1<br />

0.1<br />

1. 10 6 0.00001 0.0001 0.001<br />

Λ<br />

1 rocher & sakellariadou 2006<br />

pro<strong>du</strong>ction of topological defects at the end of inflation mairi sakellariadou vi th rencontres <strong>du</strong> vietnam

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