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arXiv 1407.6010hep-phastro-ph.COgr-qchep-th
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统一能量驱动的通货膨胀

Inflation Driven by Unification Energy

Mark P. Hertzberg, Frank Wilczek

摘要:

我们研究的假设,即通货膨胀主要是由真空能量在规范耦合统一表示的规模。具体地说,我们考虑一类混合通货膨胀模型,其中真空能量与大统一理论凝聚提供了占主导地位的能量在通货膨胀,而第二个“暴胀”标量慢卷。我们表明,它是可能的,以获得显着的张量标量比,同时拟合所观察到的光谱指数。

英文摘要:

We examine the hypothesis that inflation is primarily driven by vacuum energy at a scale indicated by gauge coupling unification. Concretely, we consider a class of hybrid inflation models wherein the vacuum energy associated with a grand unified theory condensate provides the dominant energy during inflation, while a second "inflaton" scalar slow-rolls. We show that it is possible to obtain significant tensor-to-scalar ratios while fitting the observed spectral index.

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