Download Collisional Narrowing and Dynamical Decoupling in a Dense by Yoav Sagi PDF

By Yoav Sagi

Ultra-cold atomic ensembles have emerged in recent times as a strong instrument in many-body physics study, quantum info technology and metrology. This thesis offers an experimental and theoretical learn of the coherent houses of trapped atomic ensembles at excessive densities, that are necessary to a number of the aforementioned purposes. The research specializes in how inter-particle interactions regulate the ensemble coherence dynamics, and if it is attainable to increase the coherence time via exterior keep watch over. The thesis offers a theoretical version and is the reason the impact of elastic collision of the coherence dynamics after which reviews on experiments which try out this version effectively within the lab. in addition, the paintings comprises the 1st implementation of dynamical decoupling with ultra-cold atomic ensembles. it really is proven experimentally that by utilizing dynamical decoupling the coherence time should be prolonged 20-fold. This has a very good capability to extend the usefulness of those ensembles for quantum computation.

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