Assessing the Effects of the Uncertainty in Reheating Energy Scale on Primordial Spectrum and CMB

Details Assessing the Effects of the Uncertainty in Reheating Energy Scale on Primordial Spectrum and CMB Assessing the Effects of the Uncertainty in Reheating Energy Scale on Primordial Spectrum and CMB

2003-01-07

arxiv.org/abs/astro-ph/0301111v1

Mod.Phys.Lett. A19 (2004) 2377

Astronomy and Astrophysics

Astrophysics

8 pages, 6 figures

Scientific paper

10.1142/S0217732304014896

The details of reheating energy scale $\rho_{reh}$ is largely uncertain today, independent of inflation models. This would induce uncertainty in predicting primordial spectrum. Such uncertainty could be very large, especially for spectra with large running $n_S$. We find that for some inflation models with a large $d\ln n_S(k)/d\ln k$, $\rho_{reh}$ could be highly restricted by current CMB observations.

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