曲流膨胀
A Meandering Inflaton
摘要：
如果宇宙学的暴胀场景发生在弦论的宇宙景观中，那么暴胀子，即导致暴胀的标量模，就会在复杂的多维势场中蜿蜒而行。我们表明，这种蜿蜒的属性自然会导致许多的e-folds的通货膨胀，一个成功的通货膨胀的情况下，一个必要条件。这种行为也导致了宇宙微波背景辐射的原始功率谱的波动，这可能会在不久的将来像普朗克这样的宇宙方差有限实验中被检测到。
英文摘要：
If the cosmological inflationary scenario took place in the cosmic landscape in string theory, the inflaton, the scalar mode responsible for inflation, would have meandered in a complicated multi-dimensional potential. We show that this meandering property naturally leads to many e-folds of inflation, a necessary condition for a successful inflationary scenario. This behavior also leads to fluctuations in the primordial power spectrum of the cosmic microwave background radiation, which may be detected in a near future cosmic variance limited experiment like PLANCK.
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