Fibre Inflation : Observable Gravity Waves from IIB String Compactifications

Abstract

We introduce a simple string model of inflation, in which the inflaton field can take trans-Planckian values while driving a period of slow-roll inflation. This leads naturally to a realisation of large field inflation, inasmuch as the inflationary epoch is well described by the single-field scalar potential V = V0 ( 3− 4e−φ̂/ √ 3 ) . Remarkably, for a… (More)

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