Towards an explicit model of large field inflation

Brane/flux annihilation in double-throat system

“…For p > M , the transition to the supersymmetric vacuum requires about p/M steps of the brane/flux annihilation. During the transition, the vacuum energy density gradually decreases as the NS5-brane oscillates between the north and south pole along S 3 [11,12]. This indeed is one way to realize the axion monodromy, the unfolding of the periodic axion field space induced by the coupling of an axion to fluxes [13,14] (for various models, see, e.g., [15,16,17,18,19,20]).…”