关于暴胀观测量修正的物理意义
On the Physical Significance of Infra-red Corrections to Inflationary Observables
摘要：
暴胀观测，如功率谱，计算在一阶和更高阶的循环水平似乎是困扰大红外校正。在这个简短的说明中，我们指出，这些大的红外修正只出现在数量上是不能直接观察到的。这与关于红外效应的一般预期是一致的。
英文摘要：
Inflationary observables, like the power spectrum, computed at one- and higher-order loop level seem to be plagued by large infra-red corrections. In this short note, we point out that these large infra-red corrections appear only in quantities which are not directly observable. This is in agreement with general expectations concerning infra-red effects.
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