Probing reheating with primordial spectrum

Jinn Ouk Gong, Godfrey Leung, Shi Pi

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

We study the impacts of reheating temperature on the inflationary predictions of the spectral index and tensor-to-scalar ratio. Assuming sinusoidal oscillations and that reheating process is very fast, the reheating temperature can be constrained within a factor of 10-100 or even better with the prospect of future observations. Beyond this, we find that the predictions can also be insensitive to the reheating temperature in certain models, including Higgs inflation.

Original languageEnglish
Article number027
JournalJournal of Cosmology and Astroparticle Physics
Volume2015
Issue number5
DOIs
StatePublished - 18 May 2015

Keywords

  • ination
  • physics of the early universe

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