Aspects of adiabatic population transfer and control
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- Tez No: 400785
- Danışmanlar: DR. STUART A. RICE
- Tez Türü: Doktora
- Konular: Kimya, Chemistry
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2005
- Dil: İngilizce
- Üniversite: Unıversıty Of Chıcago
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: Belirtilmemiş.
Özet
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Özet (Çeviri)
This thesis explores two different questions. The first question we answer is how to restore a given population transfer scenario given that it works efficiently in the adiabatic limit but fails because of lack of intensity and/or short duration. We derive a very simple algorithm to do this and apply it to both toy and realistic models. Two things emerge about this. While the mathematical existence of the programme is certain it might not always be physically desirable. The restoration of adiabaticity is phase sensitive. The second question that is answered in this thesis is not to invent new control paradigms but rather investigate what would happen to it under the presence of stochastic perturbers. We first use a phenomenological model to study the effect of stochastic dephasing to the stimulated Raman adiabatic passage. The results of this Monte Carlo calculation is qualitatively explained with a perturbation theoretical result in the dressed state basis. The reliability of our phenomenological model is questioned through a more rigourous hybrid quantal classical simulation.
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2014
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