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Citation link: http://nbn-resolving.de/urn:nbn:de:gbv:46-diss000113931
00011393.pdf
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Carrier-Phonon Interaction in Semiconductor Quantum Dots


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00011393.pdf8.11 MBAdobe PDFView/Open
Other Titles: Elektron-Phonon Wechselwirkung in Halbleiter-Quantenpunkten
Authors: Seebeck, Jan 
Supervisor: Jahnke, Frank
1. Expert: Jahnke, Frank
2. Expert: Schneider, Hans Christian
Abstract: 
The goals of this PhD thesis are theoretical investigations of carrier scattering processes in semiconductor quantum dots on a quantum-kinetic basis. A consistent treatment of quasi-particle renormalizations and carrier kinetics for non-equilibrium conditions is presented, using the framework of non-equilibrium Green's functions. The focus of our investigations is the interaction of carriers with LO phonons. Starting from a detailed study of quantum-dot polarons, scattering and dephasing processes are studied. For the optical response of semiconductor quantum dots a consistent treatment of the carrier-LO-phonon and the carrier-carrier interaction is presented. Finally, the combination of an tight-binding description of the single-particle properties with a many-body theory is demonstrated for nitride quantum dots where intrinsic material properties are of central importance.
Keywords: semiconductor quantum dots, carrier-phonon interaction, polarons, carrier kinetics, optical properties, non-equilibrium Green's functions
Issue Date: 10-Mar-2009
Type: Dissertation
URN: urn:nbn:de:gbv:46-diss000113931
Institution: Universität Bremen 
Faculty: FB1 Physik/Elektrotechnik 
Appears in Collections:Dissertationen

  

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