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transparencies (pdf) - Rencontres du Vietnam

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1<br />

compute one-loop radiative corrections to the scalar potential V<br />

along the inflationary valley, using the coleman-weinberg expression<br />

V F eff (|S|) =ô2 M 4è ô<br />

1+ 2 N<br />

32ù<br />

2<br />

â â |S|<br />

2ln 2 ô 2<br />

Λ<br />

2 +(z +1) 2 ln(1 + z à1 )+(z à 1) 2 ln(1 à z à1 ) ãé<br />

z = |S| 2 /M 2<br />

N<br />

: dimensionality of the representations to which þ + ,þ à<br />

belong<br />

N = 126 for SO(10) N = 27 or 351 for E 6<br />

Λ<br />

: renormalisation scale<br />

1 dvali, shafi, schaefer 1994<br />

lazarides 2001<br />

rocher & sakellariadou 2005<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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