论文标题
几何通货膨胀的各个方面
Aspects of Geometric Inflation
论文作者
论文摘要
我们重新审视了最近提出的几何通胀机制。从一般而言，我们表明获得适量的通货膨胀需要极大的初始能量密度。我们引入了一个标量字段，并研究了这两种机制的综合作用。除了解决上述问题外，还会发生级联过程，最后一步似乎与普通的大型田野通货膨胀没有区别。令人惊讶的是，标量场保持大致恒定，而几何通胀则统治动力学。最终导致可能减少标量场及其偏移的初始值。我们讨论了这种混合场景的主要特征。
We revisit the recently proposed mechanism of Geometric Inflation. On general grounds, we show that obtaining the right amount of inflation demands an exceedingly large initial energy density. We introduce a scalar field and study the combined action of both mechanisms. Besides fixing the aforementioned issue, a cascading process occurs whose last step seems undistinguishable from ordinary large field inflation. Strikingly, the scalar field remains approximately constant while Geometric Inflation rules the dynamics. This ultimately leads to the possibility of reducing the initial value of the scalar field and its excursion. We discuss the main features of this hybrid scenario.
