曲率子的参数衰减
Parametric Decay of the Curvaton
摘要：
我们认为，曲率衰减发生最自然的方式广泛的参数共振。该机制类似于共振暴胀子衰变，但不需要任何调谐的曲率耦合强度的其他标量场。对于低尺度暴胀和相应的低质量尺度的曲率，我们推测可观察到的后果，包括随机引力波的可能性
英文摘要：
We argue that the curvaton decay takes place most naturally by way of a broad parametric resonance. The mechanism is analogous to resonant inflaton decay but does not require any tuning of the curvaton coupling strength to other scalar fields. For low scale inflation and a correspondingly low mass scale for the curvaton, we speculate on observable consequences including the possibility of stochastic gravitational waves
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