Constraining Interacting Dark Sector Models

Background: The physical nature of dark matter and dark energy remains unknown, prompting investigation into extensions of the standard Lambda-CDM model, such as models where dark energy and dark matter exchange energy.

Question / Future Work: The research investigates the constraining power of future 21-cm intensity mapping and large-scale structure surveys on interacting dark energy dark matter (iDMDE) models where dark energy has a dynamical equation of state. Future work involves exploring the constraints on the interaction strength ($Q$) and the dark energy equation of state parameters ($w_0, w_a$) using these upcoming datasets.