Fundamental Studies of Molecular Collisions and Chemical Reactions at Ultracold Temperatures

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The experimental realization of molecular Bose-Einstein condensation in the last two years hasintensified research on ultracold molecules and collisional properties of ultracold molecules havebecome a topic of considerable experimental and theoretical interest. The objective of this pro-posal is to explore three key issues that are central to current research in ultracold molecules: (i)development of a computational algorithm for the description of collisional properties of ultracoldmolecules with special emphasis on ultracold molecule-molecule collisions; (ii) exploration of factors influencing chemical reactivity at ultralow temperatures, in particular, how long-range interaction influences chemical reactivity at cold and ultracold temperatures; (iii) exploration of coherent control of chemical reactivity in bimolecular scattering involving ultracold polar molecules.All three proposed topics will be addressed using explicit quantum mechanical calculations.