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    題名: Kinematically Blocked Curvaton
    作者: Chen, Chian-Shu;Lee, Lu-Yun;Lin, Chia-Min
    關鍵詞: Curvaton;non-Gaussianity
    日期: 2011-12-13
    上傳時間: 2016-11-09 02:10:32 (UTC+8)
    出版者: World Scientific Publishing Co. Pte. Ltd.
    摘要: In this paper, we investigate the idea that the decay of a curvaton is kinematically blocked and show that the coupling constant for curvaton decay can be as large as . We also find in this case the lower bound of the Hubble parameter at horizon exit from big bang nucleosynthesis (BBN) is H* ≳ 7.2 × 10-9MP ~ 1010GeV. Similar to conventional curvaton scenario, the nonlinear parameter can be as large as fNL = 100.
    關聯: Modern Physics Letters A 26(36), pp.2731-2737
    DOI: 10.1142/S0217732311037066
    顯示於類別:[物理學系暨研究所] 期刊論文

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