The relation between the reheating temperature, the number of e-folds and the spectral index is shown for the Starobinsky model and some of its descendants through a very detailed calculation of these three quantities. The conclusion is that for viable temperatures between $1$ MeV and $10^9$ GeV the corresponding values of the spectral index enter perfectly in its $2sigma$ C.L., which shows the viability of this kind of models.

中文翻译：

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关于 Starobinsky 型势中再加热温度的注意事项

通过对这三个量的非常详细的计算，显示了 Starobinsky 模型及其一些后代的再加热温度、e 折叠数和光谱指数之间的关系。结论是，对于 $1$MeV 和 $10^9$GeV 之间的可行温度，光谱指数的相应值完全进入其 $2sigma$CL，这表明这种模型的可行性。