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arxiv: 1012.0549 · v3 · pith:NKMHBIWQnew · submitted 2010-12-02 · ✦ hep-th · astro-ph.CO· gr-qc· hep-ph

Supercurvaton

classification ✦ hep-th astro-ph.COgr-qchep-ph
keywords curvatondifferentscenariovaluesappearschaoticconsequencescontext
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We discuss observational consequences of the curvaton scenario, which naturally appears in the context of the simplest model of chaotic inflation in supergravity. The non-gaussianity parameter f_NL in this scenario can take values in the observationally interesting range from O(10) to O(100). These values may be different in different parts of the universe. The regions where f_NL is particularly large form a curvaton web resembling a net of thick domain walls, strings, or global monopoles.

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