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arXiv 1602.01221gr-qc
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混合暴胀中的振荡功率谱和强$k$依赖的$r$

Oscillatory power spectrum and strongly $k$-dependent $r$ in hybrid inflation

R. Kabir, A. Mukherjee

摘要:

对于原始的混合暴胀模型,我们计算了瀑布过程中产生的曲率扰动的功率谱,并考虑了熵模的贡献。我们研究的制度的潜力是非常平坦的,并在其中通货膨胀持续超过约60倍。结果表明,标量功率谱的振荡,定性类似于一个单一的领域轴子monodromy潜力,但没有显示在张量功率谱的功能。还讨论了为该功率谱开发模板的方向。

英文摘要:

For the original hybrid inflation model, we calculate the power spectrum of curvature perturbations generated during the waterfall, taking into account the contribution of entropic modes. We study the regime where the potential is very flat, and in which inflation continues for more than about 60 e-folds. Results show oscillations in the scalar power spectrum, qualitatively similar to that of a single field axion monodromy potential; however no feature is displayed in the tensor power spectrum. Directions to develop a template for this power spectrum are also discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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