Black Hole to White Hole Transition: A Gateway to Multiverse Cosmology

This paper proposes a novel Black Hole-White Hole (BH-WH) Bridge Model, challenging the conventional view of singularities as endpoints. By integrating Einstein-Rosen bridges with quantum gravity concepts like Planck stars, the model suggests black holes act as one-way gateways to other universes. The study provides mathematical formulations for transition times and energy conservation, while offering solutions to the information paradox and thermodynamic challenges of white holes through a multiverse framework.