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Controlling ultracold polar molecules

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If you have a question about this talk, please contact Dr Giovanni Barontini.

An ensemble of ultracold polar molecules is a promising candidate for performing quantum simulations and computations. To achieve these tasks, it is vital to precisely control the internal and external degrees of freedom of these molecules. This requires an understanding of the coherence properties of the internal states and the collisional properties of an ensemble of molecules. In this talk, I will discuss the experimental study of rotational coherence of RbCs molecules and present ways to improve the coherence properties. In particular, I will discuss how trapping light limits the coherence achievable in experiments. In addition to highly coherent internal states, it is also necessary to reduce the inelastic collisions in an ensemble of ultracold molecules. To understand the inelastic collisions we measured the lifetimes of the molecules in an optical dipole trap, results of which will be presented in this talk. Finally, I will discuss a proposal to use ultracold molecules as qudits and how these qudits states can be used to perform quantum computation.

This talk is part of the Cold atoms series.

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