Dipolar Molecules in Static Electric Fields

The recent progress in stablishing shielding of collisions between dipolar molecules has triggered several experimental and theoretical advances due the increased stability of the system against chemical reactions. In our present theoretical studies we investigate bound and scattering properties of dipolar few-body systems in a static electric field. We include the molecular rotational structure and their corresponding long-range dipole-dipole interaction. Our main goal is to better understand the molecular mixing due to the external field and its impact in molecule-molecule collisions and the formation of long-range dipolar dimer states, i.e., bound states of two- or more dipolar molecules. Additionally, we explore the use of different basis representations, either diabatic or adiabatic representations, to better understand what basis is most computationally efficient to solve such problems. This computational efficiency will be crucial when tackling the dipolar three-body systems. We aim to further our studies of dipolar molecules by treating the case of three unaligned bosonic dipolar molecules in static fields using the adiabatic hyperspherical representation. In such a case, three-body Efimov physics and other interesting few-body phenomena can be investigated when the static electric field is tuned near a molecule-molecule resonance. Additionally, the structure of the resulting hyperspherical potential curves for this system can potentially shed light on how collisions between three dipolar molecules can be controlled.