Saturday, March 22, 2014

[1403.5100] Excursion into Quantum Gravity via Inflation

[1403.5100] Excursion into Quantum Gravity via Inflation:

"The discovery of B-modes, and their effect on the fit to inflationary parameters, opens a window to explore quantum gravity. In this paper we adopt an effective theory approach to study quantum gravity effects in inflation. We apply this approach to chaotic and $\phi^4$ inflation, and find that BICEP2 constrains these new operators to values which are consistent with the effective theory approach. This result opens the possibility to study quantum gravity in a systematic fashion, including its effect on Higgs inflation and other Starobisnky-like models."

'via Blog this'

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