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Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms

Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms

Yoav Sagi

135,62 €
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Editorial:
Springer Nature B.V.
Año de edición:
2014
Materia
Informática: cuestiones generales
ISBN:
9783642445668
135,62 €
IVA incluido
Disponible

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Sobre IBD

Ultra-cold atomic ensembles have emerged in recent years as a powerful tool in many-body physics research, quantum information science and metrology. This thesis presents an experimental and theoretical study of the coherent properties of trapped atomic ensembles at high densities, which are essential to many of the aforementioned applications. The study focuses on how inter-particle interactions modify the ensemble coherence dynamics, and whether it is possible to extend the coherence time by means of external control. The thesis presents a theoretical model which explains the effect of elastic collision of the coherence dynamics and then reports on experiments which test this model successfully in the lab. Furthermore, the work includes the first implementation of dynamical decoupling with ultra-cold atomic ensembles. It is demonstrated experimentally that by using dynamical decoupling the coherence time can be extended 20-fold. This has a great potential to increase the usefulness of these ensembles for quantum computation.

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Otros libros del autor

  • Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms
    Yoav Sagi
    Ultra-cold atomic ensembles have emerged in recent years as a powerful tool in many-body physics research, quantum information science and metrology. This thesis presents an experimental and theoretical study of the coherent properties of trapped atomic ensembles at high densities, which are essential to many of the aforementioned applications. The study focuses on how inter-pa...