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We present a new model of large field inflation along a winding trajectory inthe field space of two axionic fields, where the 'axions' originate from thecomplex structure moduli sector of a Calabi-Yau 3-fold at large complexstructure. The winding trajectory arises from fixing one combination of axionsby bulk fluxes and allows for a transplanckian effective field range. Theinflaton potential arises from small 'instantonic' corrections to the geometryand realises natural inflation. By working in a regime of large complexstructure for two complex structure moduli the inflaton potential can be madesubdominant without severe tuning. We also discuss the impact of the recent'no-go theorems' for transplanckian axion periodicities on our work.Interestingly, our setup seems to realise a loophole pointed out inarXiv:1503.00795 and arXiv:1503.04783: our construction is a candidate for astring theory model of large field inflation which is consistent with the mildform of the weak gravity conjecture for axions.

Winding out of the Swamp: Evading the Weak Gravity Conjecture with F-term Winding Inflation?