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Racetrack inflation with matter fields and cosmic strings

By P.H. Brax, C. Van de Bruck, A.C. Davis, S.C. Davis, R. Jeannerot and M. Postma


We consider the coupling of racetrack inflation to matter fields as realized in the D3/D7 brane system. In particular, we investigate the possibility of cosmic string formation in this system. We find that strings can form before or at the onset of racetrack inflation is possible, but they are then inflated away. Furthermore, string formation at the end of inflation is prevented by the presence of the moduli sector. As a consequence, no strings survive racetrack inflation.\ud \u

Publisher: IOP Science
Year: 2008
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