广义超共形模型中的次临界混合暴胀
Subcritical hybrid inflation in a generalized superconformal model
摘要:
我们研究了一个广义超共形模型,它产生了一个次临界的$D$ -长期混合通货膨胀制度。将该模型分别在约当标架和爱因斯坦标架中进行展示,在爱因斯坦标架中导出了亚临界区的有效势。事实证明,暴胀子瀑布场动力学导致各种类型的暴胀子势。因此,张量标量比的范围从$10^{-4}$($10^{-3}$)到$0.1$,在膨胀结束前得到60(50)$e$ -倍。
英文摘要:
We study a generalized superconformal model that gives rise to a subcritical regime of $D$-term hybrid inflation. Exhibiting the model both in a Jordan frame and in the Einstein frame, the effective potential of the subcritical regime is derived in the Einstein frame. It turns out the inflaton-waterfall field dynamics leads to various types of inflaton potential. Consequently the tensor-to-scalar ratio is found to range from $10^{-4}$ ($10^{-3}$) to $0.1$ for getting 60 (50) $e$-folds before the end of inflation.
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