By Yoav Sagi
Ultra-cold atomic ensembles have emerged in recent times as a strong software in many-body physics learn, quantum details technology and metrology. This thesis provides an experimental and theoretical research of the coherent houses of trapped atomic ensembles at excessive densities, that are necessary to the various aforementioned functions. The research makes a speciality of how inter-particle interactions regulate the ensemble coherence dynamics, and if it is attainable to increase the coherence time via exterior regulate. The thesis provides a theoretical version and is the reason the influence of elastic collision of the coherence dynamics after which stories on experiments which attempt this version effectively within the lab. in addition, the paintings comprises the 1st implementation of dynamical decoupling with ultra-cold atomic ensembles. it truly is established experimentally that by utilizing dynamical decoupling the coherence time may be prolonged 20-fold. This has an excellent power to extend the usefulness of those ensembles for quantum computation.
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