Big Crunching Your Big Bang: Doubly Warped Time-Dependent Type II Flux Backgrounds and Scale Separation

Kazi Fahim Reza Arko, Walid Hasan, M. Fahim Hoque +1

We construct three analytic, doubly warped cosmological solutions of massless type IIA supergravity with different choices of fluxes, namely, $H_3$, ${\tilde{F}}_2$ and ${\tilde{F}}_4$ a…