Type IIB moduli stabilization, inflation and waterfall fields

In this paper, we present a string realization of the hybrid inflationary scenario within type IIB effective theory constructions and geometric configuration intersecting D7 branes. A metastable de Sitter minimum is ensured by perturbative logarithmic corrections D-term contributions from abelian factors associated with The inflaton identified internal volume modulus whereas possible waterfall fields correspond to excitations open strings attached magnetized By incorporating these in scalar potential, inflation stops vacuum settles observed tunable value cosmological constant.