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http://hdl.handle.net/20.500.12358/21478
TitleThe Optical Polaron in Quantum-Well-Type Systems
Untitled
Abstract

The polaron problem in a quasi 1D cylindrical quantum wire with infinite boundary potential is investigated using the strong-coupling theory and the mixed-coupling approximation. It is observed that a decrease in the radius of wire produces a pseudo- strong coupling aspect to the problem in spite of weak values of (α). A modification to the mixed-coupling theory is proposed to interpolate between the strong- and the weak-coupling aspects of the problem for all the degrees of confinements. This modified mixed-coupling approach is applied to the problem in a spherically box- type and in a slab like confinements. The same approach is applied to study the ground-state energy of the polaron as a function of the effective dimensionality. It is shown that the problem transforms from the strong-coupling to the weak-coupling limits in a smooth way.

Authors
Samak, Zher Fuad
Supervisors
Saqqa, Bassam H.
Typeرسالة ماجستير
Date2007
LanguageEnglish
Publisherthe islamic university
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  • PhD and MSc Theses- Faculty of Science [445]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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